Genetic Test Review

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In Andalusian fowls, black individuals (BB) and white individuals (bb) are homozygous. A hybrid or heterozygousbird, results in blue feathers.If a black bird is crossed with a blue bird, what are the chances that they will have white birds?

Let B = brown eye gene /allele Let b = blue eye gene / allele If both mom and dad are blue eyed, what are the chances they can have brown eyed children?

0/4

Let B = brown eye gene /allele Let b = blue eye gene / allele If mom is heterozygous Bb and dad is homozygous brown eyed (BB), what are the chances out of 4 that they could have blue eyed kids? Do a punnett square on a separate sheet of paper to help you, like the one below.

0/4

SpongeBob's aunt and uncle, SpongeWilma and SpongeWilbur, have the biggest round eyes in the family. Wilma is believed to be HETEROZYGOUS for her round eye shape, while Wilbur's family brags that they are a PUREBRED or HOMOZGYOUS line. What are the chances out 4 that they will have OVAL children?

0/4

The sickle cell anemia gene/allele shows incomplete dominance. Let R = normal blood gene/allele Let r = sickle cell gene/allele If someone who has the sickle cell trait, mates with someone who is normal and is not a carrier, what are the chances they can have offspring with the genetic disorder, sickle cell anemia?

0/4

There are 3 genes for blood type: A, B, & O If you have blood type A, you can have the genotype: AA or Ao If you have blood type B, you can have the genotype: BB or Bo If you have blood type AB, you can have the genotype: AB If you have blood type O, you can have the genotype: OO If you are homozygous for type B blood (BB) and you have offspring with someone that is heterozygous for type A blood (AO), what are the chances you will have type O children?

0/4

In some birds black feathers are incompletely dominant over white feathers. A bird with an allele for black feathers and an allele for white feathers will be gray in color. What would be the phenotypic ratio (black vs white vs grey), among the offspring of a gray female mated with a white male.

1/2 : 1/2

1/2 or 50%

Assume that one of Squidward's sons, who is HETEROZYGOUS (Bb) for the light blue body color, married a girl that was also HETEROZYGOUS. Create a Punnett square like the one above on a separate sheet of paper. What are the chances out of 4 that they will have green children. Let B represent the blue gene / allele. Let b represent the green gene/allele.

1/4

Dragon Eyes can be yellow, blue, or the intermediate green color. The yellow gene/allele shows INCOMPLETE DOMINANCE. Let Y = yellow allele/gene Let y = blue allele / gene If you cross two green dragons together, what are the chances out of 4, that you will get blue offspring?

1/4

In dragons, the allele for fire breathing is dominant. Dragons can be fire breathers, or non-fire breathers. Let F = fire breathing allele/gene Let f = non-fire breathing allele/gene If two heterozygous dragons are crossed, how many offspring would you expect to NOT be fire-breathers?

1/4

Patrick met Patti at the dance. Both of them are HETEROZYGOUS for their pink body color, which is dominant over a yellow body color. Use P to represent the pink gene/allele and p to represent the yellow gene/allele. Create a Punnett square on a separate sheet of paper to show the possibilities out of four that they will have yellow kids.

1/4

The father is type A heterozygous, the mother is type B heterozygous. What are the chances they will have Type A children?

1/4

The sickle cell anemia gene/allele shows incomplete dominance. Let R = normal blood gene/allele Let r = sickle cell gene/allele If two people with the sickle cell trait (Rr), have offspring, what are the chances they can have a child with the sickle cell anemia genetic disorder?

1/4

There are 3 genes for blood type: A, B, & O If you have blood type A, you can have the genotype: AA or Ao If you have blood type B, you can have the genotype: BB or Bo If you have blood type AB, you can have the genotype: AB If you have blood type O, you can have the genotype: OO If you are heterozygous for type B blood (BO) and you have offspring with someone who is heterozgyous for type A blood (AO), what are the chances out of 4 that you will have kids with type O blood?

1/4

There are 3 genes for blood type: A, B, & O If you have blood type A, you can have the genotype: AA or Ao If you have blood type B, you can have the genotype: BB or Bo If you have blood type AB, you can have the genotype: AB If you have blood type O, you can have the genotype: OO If you are type B blood, but your dad was type A, and you have offspring with someone who has type AB blood, what are the chances you can have type A children?

1/4

Snapdragon flowers exhibit incomplete dominance. Cross a pink flower and a pink flower. What do the offspring look like? What are the phenotypic ratios (red vs white vs pink), of the offspring?

1/4 : 2/4 : 1/4

If a black Andalusian fowl (BB) is crossed with a white Andalusian fowl (bb), all the offspring come out with black & white feathers (Bb). Cross a White Andalusian hen with a black & white Andalusian rooster. If these two birds had 20 offspring, how many would you expect to have white fur?

In four o'clock flowers, pink flowers result from a cross between a red flowered and a white flowered parent.Cross a red flowered plant with a white flowered plant. Let R = red allele/ gene Let r = white allele/gene. If these two plants had 100 seeds, how many would you expect to be pink?

100

Colorblindness is sex-linked. Let C = normal eyes allele/gene Let c = colorblindness allele/gene A color blind woman has a child with a normal vision man. What are the chances that if they have any boys, that they will be colorblind? REMEMBR TO SET-UP XX FOR MOM AND Xy FOR DAD FIRST BEFORE PUTTING ON THE GENES.

100% 4/4

Let B = brown eye gene /allele Let b = blue eye gene / allele If mom is recessive or purebred for blue eyes (bb) and dad is heterozygous or hybrid for brown eyes (Bb), what ratio do you usually get?

1:1

How many sex chromosomes do most animals have?

Complete the Punnett square above ON A SEPARATE SHEET OF PAPER to show the possibilities (out of 4), of Billy Bob and Gerdy having square children. NOTE: SpongeBillyBob is heterozygous for his squarepantsshape (Ss) AND Gerdy is round (ss).

2/4 or 1/2

Complete the Punnett square on a separate sheet of paper to show the possibilities out of 4 of Billy Bob & Gerdy having children that are round. NOTE: SpongeBillyBob is heterozygous (Ss) for his squarepantsshape and Gerdy is round (rr). What is the probability of kids with roundpants?

2/4 or 1/2

Let B = brown eye gene /allele Let b = blue eye gene / allele If mom is heterozygous brown and dad is blue eyed, what are the chances they can have blue eyed kids? Do a punnett square on a separate sheet of paper to help you, like the one below.

2/4 or 1/2

Let R = red allele/gene Let r = blue allele/gene A red spined dragon and a red and blue spined dragon are crossed. How many of their babies will have red spines?

2/4 or 1/2

SpongeBob SquarePants recently met SpongeSusie Roundpants at a dance. SpongeBob is HETEROZYGYOUS (Ss) for his square shape, but SpongeSusie is ROUND. Create a Punnett square like the one above on a SEPARATE SHEET OF PAPER to show the possibilities out of 4, that of SpongeBob and SpongeSusie having square children.

2/4 or 1/2

SpongeBob's mother is so proud of her son and his new wife, SpongeSusie, as they are expecting a little sponge. She knows that they have a 50% chance of having a little roundpants, but is also hoping the new arrival will be BLUE (RECESSIVE TRAIT!) like SpongeSusie, (who is ALSO BLUE!). and many members of her family. If SpongeBob is HETEROZYGOUS for his yellow body color, what are the chances, out of 4, that the baby sponge will be blue? dO the Punnett square ON A SEPARATE SHEET OF PAPER to help you answer this question. Use Y to represent the yellow gene/allele and y to represent the blue gene/allele.

2/4 or 1/2

Colorblindness is sex-linked. Let C = normal eyes allele/gene Let c = colorblindness allele/gene A normal woman whose father was colorblind has a child with a normal vision man. What are the chances they will have colorblind children? REMEMBR TO SET-UP XX FOR MOM AND Xy FOR DAD FIRST BEFORE PUTTING ON THE GENES.

25% 1/4

3/4

Let B = brown eye gene /allele Let b = blue eye gene / allele If you cross two parents -- both HETEROZYGOUS (Bb), what ratio do you usually get?

3:1

4/4

The father is type A homozygous, the mother is type B homozygous. What are the chances they will have type AB offspring?

4/4

How many autosomes (types of chromsomes) do humans have?

A couple is expecting their 18 child! They currenlty have 17 girls. What are the chances that they will have a boy?

50%

Colorblindness is sex-linked. Let C = normal eyes allele/gene Let c = colorblindness allele/gene A color blind woman has a child with a normal vision man. What are the chances they will have colorblind children? REMEMBR TO SET-UP XX FOR MOM AND Xy FOR DAD FIRST BEFORE PUTTING ON THE GENES.

50% 1/2

In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (r). The heterozygous genotype is expressed as pink. A pink-flowered plant is crossed with a white-flowered plant. What is the probability of producing a pink-flowered plant? ___________%

50% chance (2/4 or 1/2)

Alice has type A blood and her husband Mark has type B blood. Their first child, Amanda, has type O blood. Their second child, Alex, has type AB blood. What is Alice's genotype?

There are 3 genes for blood type: A, B, & O If you have blood type A, you can have the genotype: AA or Ao If you have blood type B, you can have the genotype: BB or Bo If you have blood type AB, you can have the genotype: AB If you have blood type O, you can have the genotype: OO If you are type A blood, but your mother was type B, what genotype are you? Are you AA or AO?

In some birds black feathers are incompletely dominant over white feathers. A bird with an allele for black feathers and an allele for white feathers will be gray in color. Which genotype will give black chickens.

Let B = brown eye gene /allele Let b = blue eye gene / allele If a parent is homozygous brown. What is his genotype?

Alice has type A blood and her husband Mark has type B blood. Their first child, Amanda, has type O blood. Their second child, Alex, has type AB blood. What is Mark's genotype?

There are 3 genes for blood type: A, B, & O If you have blood type A, you can have the genotype: AA or Ao If you have blood type B, you can have the genotype: BB or Bo If you have blood type AB, you can have the genotype: AB If you have blood type O, you can have the genotype: OO If you are type B blood, but your dad was type A, what genotype are you? Are you BB or BO?

Suppose two newborn babies were accidentally mixed up in a hospital, something that rarely happens. In an effort to determine the parents of each baby, the blood types of the parents and the babies were determined. Which baby belongs to which parent?

Baby 1 belongs to the Lantz family

In dragons, the allele for fire breathing is dominant. Dragons can be fire breathers, or non-fire breathers. What is the genotype of a fire breathing dragon? Let F = fire breathing allele/gene Let f = non-fire breathing allele/gene

Both FF & Ff

Females are more likely to inherit sex-linked disorders.

False

Females can make eggs that contain the X chromosome and eggs that contain the y chromosome.

False

If someone has the SICKLE CELL TRAIT, then that means they have the genetic disorder SICKLE CELL ANEMIA.

False

The universal donor is type AB blood.

False

Tt genotype is considered homozygous.

False

Two genes found on the X chromosome include the sickle cell gene and hemophilia.

False

Mr. Cash died and left all his money to his two children. A young man, Henry, claiming to be a lost third child, who has type O blood, sued for his share of the estate. The judge ordered blood tests for all family members and for the young man. Mr. Cash's blood type was AB. His wife had type A blood. Using a Punnett square and determine if in fact, Harry is their child.

Harry is not their biological child.

If SpongeBob's aunt described in the previous problem with the stubby nose, wanted children with long noses, what type of fellow would she need to marry in order to give her the best chances?

Mr. Krabbs and his wife recently had a Lil' Krabby, but it has not been a happy occasion for them. Mrs. Krabbs has been upset since she first saw her new baby who had short eyeballs. She claims that the hospital goofed and mixed up her baby with someone else's baby.Mr. Krabbs is HOMOZYGOUS OR PUREBRED for his tall eyeballs, while his wife is HETEROZYGOUS for her tall eyeballs. Some members of her family have short eyes, which is the recessive trait. Let T represent the dominant gene/ allele and t represent the recessive gene/ allele. Is the baby theirs???

Both the father and mother have type O blood. What is their genotype?

SpongeBob loves growing flowers for his pal Sandy. Her favorite flowers, Poofkins, are found in red, blue and purple. Blue is incompletely dominant to red, which will produce purple flowers. When red and blue are crossed purple flowers are produced.SpongeSusie RoundPants is jealous that SpongeBob is growing flowers for Sandy. She wants lots of purple flowers in her sea garden. What will the genotypes of the parent flowers have to be in order for SpongeBob SquarePants to produce only purple flowers?Use R to represent the Red gene /allele Use r to represent the white gene / allele

RR x rr

Which of the following genotypes can be considered HOMOZYGOUS?

RR, rr, and LL

Which of the following genotypes can be considred PUREBRED?

RR, rr, and LL

Which of the following genotypes is considered HOMOZYGOUS?

RR, rr, and ll

Which of the following genotypes is considered PUREBRED?

RR, rr, and ll

Which of the following genotypes can be considered a HYBRID?

Which of the following genotypes can be considred heterozygous?

Which of the following genotypes is considered HETEROZYGOUS?

Which of the following genotypes is considered a HYBRID?

Let T = tall gene/allele Let t = short gene / allele If someone has the genotype: tt, what is their phenotype?

Short

Let T = tall gene/allele Let t = short gene / allele If someone has the genotype: Tt, what is their phenotype?

Tall

Another term for gene are alleles

True

Colorblindness and Hemophilia are passed on to males from their mother.

True

Different blood types have different antigens.

True

Tt genotype is considered a hybrid.

True

Tt genotype is considered heterozygous.

True

You get two genes or alleles for every characteristic -- one from mom and one from dad.

True

Eye color in fruit flies is SEX-LINKED. What chromosomes is the gene found on?

X chromosome

Let B = brown eye gene /allele Let b = blue eye gene / allele If a parent is blue eyed, what is his genotype?

Let B = brown eye gene /allele Let b = blue eye gene / allele If dad is blue eyed, what is his genotype?

Which of the following genotypes would give an offspring with a long nose phenotype?

both Ll and LL

Dragon spines can be red, blue, or a mix of red as well as blue. Is this codominance or incomplete?

codominance

Dragon spins can be red, blue, or a mix of red as well as blue. Is this codominance or incomplete?

codominance

There are 3 genes for blood type: A, B, & O Which is the recessive one?

gene O

Which genotype would give an offspring a stubby nose?

If the genotype is LL, what is the phenotype?

long

If the genotype is Ll, what is the phenotype?

long

Candace has type B blood. Her husband Dan has type AB blood. Is it possible for Candace and Dan to have a child that has O blood?

Colorblindness is sex-linked. Let C = normal eyes allele/gene Let c = colorblindness allele/gene A normal woman whose father was colorblind has a child with a normal vision man. Can this couple have colorblind daughers? REMEMBR TO SET-UP XX FOR MOM AND Xy FOR DAD FIRST BEFORE PUTTING ON THE GENES.

SpongeBob's aunt is famous around town for her itty, bitty stubby nose! She recently met a cute squarepants fellow who also has a stubby nose, which is a recessive trait. Would it be possible for them to have a child with a regular long nose?

Let T = tall gene/allele Let t = short gene / allele If someone has the genotype: tt, how many kinds of egg or sperm (gametes), can they make?

one -- sperm with t gene/ allele

In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (r). The heterozygous genotype is expressed as pink.What is the phenotype of a plant with the genotype RR?

red

Dragon spines can be red, blue, or a mix of red as well as blue. Let R = red allele/gene Let r = blue allele/gene A red spined dragon and a blue spined dragon have offspring. What color are the babies' spines?

red and blue

Let B = brown eye gene /allele Let b = blue eye gene / allele If mom is brown eyed, what are her possible genotypes?

she can be BB or Bb

The sickle cell anemia gene/allele shows incomplete dominance. Let R = normal blood gene/allele Let r = sickle cell gene/allele If someone has the genotype: rr, then they have what phenotype?

sickle cell anemia

The sickle cell anemia gene/allele shows incomplete dominance. Let R = normal blood gene/allele Let r = sickle cell gene/allele If someone has the genotype: Rr, then they have what phenotype?

sickle cell trait

If SpongeGerdy's father is a heterozygous (Ss) squarepants and her mother is a roundpants, what is her genotype?

If the genotype is ll, what is the phenotype?

stubby

Let B = brown eye gene /allele Let b = blue eye gene / allele If a parent is heterozygous, Bb, how many kinds of gametes (egg/ sperm), can this person make?

two -- sperm with B or b genes

Let T = tall gene/allele Let t = short gene / allele If someone has the genotype: Tt, how many kinds of egg or sperm (gametes), can they make?

two -- sperm with T or t gene/allele

In terms of sex, how many types of sperm can a father make?

two types

When are you likely to see the expected ratios like 3:1 or 1:1 in a population?

when you test a large sample size population

Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and think that a switch might have been made at the hospital. Is it possible that they can have a type O child?

Genetic Test Review

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