HS Biology - Monohybrid Cross Quiz Review

If the percent of black fur is 50% and the percent of white fur is 50%, what is the phenotypical ratio? Remember: you must simply all the way down for credit.

1:1

What do the letters on the outside of the Punnett square stand for?

Alleles

Apply your skills! KEY: B=Black Fur and b=White Fur What is the homozygous dominant option?

BB which is BLACK FUR

Apply your skills! KEY: B=Black Fur and b=White Fur What is the heterozygous option?

Bb which is BLACK FUR

What are these examples of? D, L, N, R, S

Dominant alleles

Dominant

Gene that is always expressed

Recessive

Gene that is expressed only in the homozygous state

What are these examples of? AA, KK, TT

Homozygous dominant

What are these examples of? ee, qq, ww

Homozygous recessive

What do the letters on the inside of the Punnett square stand for?

Possible combinations in the off spring

Select which applies: Dominant

R

Select which applies: Homozygous (purebred)

RR or rr

What are these examples of? n, d, r, k

Recessive alleles

Select which applies: Heterozygous (hybrid)

Rr

What are examples of genotypes?

TT, Tt, tt. LETTERS

Apply your skills! KEY: B=Black Fur and b=White Fur What is the homozygous recessive?

bb which is WHITE FUR

What are examples of phenotypes?

black fur, grey fur. WORDS

Alleles

different forms of genes for a single trait

Homozygous

genotypes made of the same alleles

Heterozygous

genotypes made of two different alleles

Select which applies: Recessive

r

AA, Dd, EE, Jj, RR, Ss are examples of genotypes in which...

the dominant gene must show

aa, rr, tt are examples of genotypes in which..

the recessive gene must show