Meiosis and Genetic Variation Quiz

What type of cell is created by the process of meiosis?

• A tumor cells

• B platelets

• C gamete cells

• D stem cells

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Meiosis occurs in the organs of which body system?

• F muscle

• G nervous

• H circulatory

• J reproductive

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What percentage of chromosomes normally found in the body cells of an organism do gamete cells contain after meiosis?

• A 25%

• B 50%

• C 60%

• D 100%

If a horse has 64 chromosomes in each of its body cells, how many chromosomes will be in each gamete cell after meiosis?

• F 32

• G 64

• H 96

• J 128

What process shown to the right increases the variations of chromosomes?

• A cellular respiration

• B gene splicing

• C cytokinesis

• D crossing-over

Which of these is a primary benefit of meiosis and sexual reproduction to a population?

• F an increase in the chromosome number

• G new forms of proteins

• H new combinations of genes

• J new alleles in the population

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Meiosis is significant within a population because it increases the –

• F number of mature males

• G genetic variations in the population

• H amount of genetically modified organisms

• J number of new alleles available

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Offspring that are the result of sexual reproduction are best described by which of the following?

• A The offspring are genetically identical to the biological mother and father

• B The offspring are genetically unique and contain a new combination of genes

• C The offspring contain fewer chromosomes than either parent because of meiosis

• D The offspring contain all of the dominant genes found in the grandparents

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The number of chromosomes found within the cells of any given species is a constant number maintained through multiple generations. The accumulation of chromosomes is prevented because the process of meiosis creates –

• haploid gamete cells

• genetically identical daughter cells

• mutations that destroy extra DNA

• offspring through asexual reproduction

When fertilization occurs, the resulting zygote is a diploid cell containing two of every type of chromosome. This is because one of each type of chromosome is –

• mutated by ultraviolet radiation

• deleted during the fertilization process

• contributed by both parents

• duplicated within sperm cells

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