Meiosis and genetic variation Quiz
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5 questions, one answer each
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1. In which stage does independent assortment occur?
- A. Prophase II
- B. Anaphase II
- C. Metaphase I
- D. Interphase
2. Two genes on the same chromosome usually produce mostly parental offspring in a test cross because:
- A. they are linked and inherited together unless crossing over separates them
- B. they assort independently
- C. they are on different chromosomes
- D. the alleles are codominant
3. A species has 2n = 10. How many chromosome combinations are possible in the gametes by independent assortment alone?
- A. 10
- B. 32
- C. 25
- D. 100
4. What exchanges sections of DNA during crossing over?
- A. Non-sister chromatids of homologous chromosomes
- B. Sister chromatids of one chromosome
- C. Two non-homologous chromosomes
- D. Chromosomes in different cells
5. What is the effect of anaphase I?
- A. Sister chromatids are separated
- B. DNA is replicated
- C. Four cells are formed at once
- D. Homologous chromosomes are separated so each cell becomes haploid