Cell Cycle And Cell Division Question 73
Question: Choose the event of cell cycle which shows the importance of synapsis and the formation of chiasmata.
Options:
A) An increase in the variation of progeny occurs.
B) Reciprocal exchange of chromosomal sections occurs.
C) The DNA on homologous chromosomes mix.
D) All of the above
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Synapsis is the pairing of homologous chromosomes during meiosis.
While autosomes undergo synapsis during meiosis, sex chromosomes often remain unpaired.
A consequence of recombinant synapsis is to increase genetic variability within both the offsprings and population.