Question

7) Which one of the following statements describes an effect of crossing over during meiosis? A) It increases the chance for variation in zygotes. B) It inhibits segregation of homologous chromosomes. C) It interrupts the process of independent assortment. D) It causes incomplete dominance within the gametes.

Answer 1

Explanation: C) Meiosis I and II lead to the formation of cells with 7 chromosomes. During meiosis I, homologous chromosomes separate. During meiosis II, sister chromatids separate. Two cells combine during fertilization to produce offspring with 14 chromosomes.