Answer:
When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. It is obviously another source of genetic variation in offspring.
Hope this helps you. Do mark me as brainliest.
Astronomy can best be described as a "<span>a. study of objects beyond earths atmosphere", although the subject of astronomy can be much more complicated. </span>
Answer: i think its B or C
You're answer would be B) Terrae.
Hope this helps,
♥<em>A.W.E.<u>S.W.A.N.</u></em>♥
