They are all formed from the same element. So answer choice B.
Yes they do have them because it is true
The rotating movement along the earth's axis
It’s A an generation that’s the only one that makes sense because evolution is a change over time too
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.
