Answer:
there is not a picture ....................
I think the correct answer from the choices listed above is option A. When crossing-over takes place, chromosomes exchange corresponding segments of DNA. Corresponding genes on non-sister chromatids are exchanged at chiasmata. Hope this answers the question.
Answer;
A bottleneck effect
Explanation;
When only a few individuals survive unfavorable times, thereby losing the majority of genotypes in the next generation, it is called a bottleneck effect.
It occurs when there is a disaster of some sort that reduces a population to a small handful, which rarely represents the actual genetic makeup of the initial population.
Answer:
<u>ligase</u>
Explanation:
Short segments of newly synthesized DNA are joined into a continuous strand by <u>ligase</u>
The cells of the fish might swell and burst and then die.... i think
