Question

Which of the following is true when Syntenic genes always appear to sort independently during meiosis?

A) The two genes are completely linked

B) The two genes are on different chromosomes

C) The two genes are located far apart on the same chromosome

      D) The two genes close together on the same chromosome but still undergo recombination

Answer 1

Answer :- "C" i.e The two genes are located far apart on the same chromosome.

Explanation :- Syntenic genes are those which located on same chromosome , which can't take part in crossing over.

When these Syntenic genes are apper to assort independently during Meiosis-I that means there crossing over occur because crossing over is the backbone of independent assortment because when crossing over occur during prophase-I then independent assortment occur during metaphase-I and anaphase-I . And we know crossing over is proportional to distance of gene i.e when genes are far apart the chance of crossing over increased.

So from the above discussion we can conclude that the answer is option "C".