Unit 5 Quiz Questions

What process dœs a multicellular organism use to replace its damaged body cells? mitosis meiosis replication transcription

A.

Which of the following statements about pedigrees is true? A. Boxes typically represent males and circles typically represent females. B. Pedigrees can only be used to trace the occurrence of dominant traits. C. Shaded shapes typically represent people who do not have a specific trait. D. Pedigrees show all of the allele combinations that are possible in a cross.

A.

Which of these choices best describes what a ratio shows? A. a comparison between two quantities B. family relationships over several generations C. the alleles of parents and offspring for a given trait D. the likelihood or chance that something will happen

A.

Which of these choices describes a segment of DNA that determines a specific trait in a person, such as attached earlobes? A. a gene B. a phenotype C. a chromosome D. a characteristic

A.

Which of these lists presents the stages of the cell cycle in the correct order? A. interphase, mitosis, cytokinesis B. cytokinesis, mitosis, interphase C. mitosis, interphase, cytokinesis D. interphase, cytokinesis, mitosis

A.

Which of these statements is true of asexual reproduction? A. It produces offspring genetically identical to each other and requires one parent. B. It produces offspring genetically identical to each other and requires two parents. C. It produces offspring genetically different from each other and requires one parent. D. It produces offspring genetically different from each other and requires two parents

A.

Which statement about a zygote that forms by fertilization is correct? A. A zygote has a full set of chromosomes, half from each parent. B. A zygote has half the full set of chromosomes from one parent. C. A zygote has two full sets of chromosomes, one set from each parent. D. A zygote has half the full set of chromosomes, one-fourth from each parent.

A.

Which type of cell division is a part of asexual reproduction? A. mitosis B. meiosis C. both mitosis and meiosis D. neither mitosis nor meiosis

A.

Allia uses a microscope to look at slides of onion cells. The slides show the stages of the cell cycle. The slides are labeled and in the correct order, starting with interphase. In which slide would Allia first see chromosomes? A. anaphase B. prophase C. telophase D. cytokinesis

B.

Brandy knows that chromosomes behave differently in meiosis and mitosis. What do chromosomes do in meiosis but not in mitosis? A. Each chromosome makes a copy. B. The homologous chromosomes form pairs. C. Chromosomes line up in the middle of the cell. D. Chromosomes condense or shorten up before cell division begins.

B.

Every organism has a set of instructions that determines its traits. Which term describes the process through which it receives this set of instructions? A. gene B. heredity C. repetition D. generation

B.

If a sexually reproducing organism has 28 chromosomes in its body cells, how many chromosomes did it inherit from each parent? A. 7 B. 14 C. 16 D. 28

B.

When an organism reproduces by budding, how does the new organism start growing? A. from within the parent organism B. from the merging of two parent organisms C. from a spore produced by a parent organism D. from the outer surface of the parent organism

B.

Which of the following best defines heredity? A. the joining of sex cells to form the first cell of a new organism B. the passage of genetic instructions from one generation to the next C. the cycle through which an organism grows from a young form to a mature form D. the technology that enables scientists to insert genetic information from one organism into another

B.

Which of these choices is the definition of allele? A. the form of a gene that is expressed B. one of the alternative forms of a gene C. the combination of genes for a specific trait D. the complete genetic makeup of a living thing

B.

Why does cell division take place in single-celled organisms? A. for the organisms to grow B. to reproduce and pass on genetic information C. to enable the organisms to heal injured tissues D. to make specialized cells for different functions

B.

How is meiosis related to sexual reproduction? A. Meiosis allows the offspring produced during sexual reproduction to grow and develop. B. Meiosis joins together the sex cells during sexual reproduction to produce new offspring. C. Meiosis produces the sex cells that join to form new offspring during sexual reproduction. D. Meiosis produces the body cells that join to form new offspring during sexual reproduction.

C.

Which of the following is an advantage of asexual reproduction? A. It is a slow process. B. Two parents are needed. C. The organism can increase in number quickly. D. It introduces genetic diversity in the offspring.

C.

Which of these statements correctly describes a difference between sex-linked disorders and other inherited genetic disorders? A. Sex-linked disorders can be passed on from parent to child, but other inherited genetic disorders cannot be passed on. B. Only males can be affected by sex-linked disorders, but both males and females can be affected by other inherited genetic disorders. C. The genes for sex-linked disorders are found on a sex chromosome, but the genes for other inherited genetic disorders are found on other chromosomes. D. The inheritance of a sex-linked disorder within a family can be traced using a pedigree, but other inherited genetic disorders cannot be traced using a pedigree.

C.

Which type of reproduction involves two parents and results in offspring that are not genetically identical to either parent? A. binary fission B. spore formation C. sexual reproduction D. vegetative reproduction

C.

A scientist crosses a rabbit with short fur and a rabbit with long fur. Which of these outcomes would show that the trait for fur length is an example of incomplete dominance? A. All the offspring have no fur. B. All the offspring have long fur. C. All the offspring have short fur. D. All the offspring have medium-length fur.

D.

Carrie is studying the genes of two fruit flies in her lab. She knows what alleles they have. She wants to know the potential combinations of alleles their offspring could inherit. Which of these choices would help Carrie identify the potential combinations? A. an allele B. a carrier C. a pedigree D. a Punnett square

D.

How do the chromosomes at the end of meiosis I compare with the chromosomes at the end of meiosis II? A. Chromosomes have one chromatid at the end of both meiosis I and meiosis II. B. Chromosomes have two chromatids at the end of both meiosis I and meiosis II. C. Chromosomes have one chromatid at the end of meiosis I and two chromatids at the end of meiosis II. D. Chromosomes have two chromatids at the end of meiosis I and one chromatid at the end of meiosis II.

D.

How does meiosis I differ from meiosis II? A. The sister chromatids separate during meiosis I, but not during meiosis II. B. The homologous chromosomes pair up during meiosis II, but not during meiosis I. C. Two sex cells are produced as a result of meiosis II, but not as a result of meiosis I. D. Chromosome number decreases by half as a result of meiosis I, but not as a result of meiosis II.

D.

How dœs a sex cell differ from a body cell? A. A sex cell dœs not contain chromosomes. B. A sex cell contains homologous chromosomes. C. A sex cell has the same number of chromosomes as a body cell. D. A sex cell has half the amount of genetic material as a body cell.

D.

Which of these statements most likely describes what happens if DNA is not duplicated during interphase? A. The new cells would be more numerous. B. The new cells would have too many chromosomes. C. The new cells would have too many or too few nuclei. D. The new cells would have an incorrect number of chromosomes.

D.