Question 4

(Multiple Choice)

In meiosis, homologous chromosomes pair and synapse before segregation in meiosis I. How is it possible for the X and Y chromosomes in humans, which are very different, to pair with one another?


A) The chromosomes are the same size
B) Some DNA sequences are found on both the X and Y chromosomes
C) The X and Y chromosomes do not pair during meiosis
D) X pairs with X and Y pairs with Y during meiosis

Answer