Question

How does random fertilization add to the genetic variation?

Nonsister chromatids exchange gene segments to produce new combinations of maternal and paternal genes.

Fusion of sperm and ovum, each having a unique combination of chromosomes, introduces further variation.

Homologous pairs of chromosomes sort into daughter cells independently of the other pairs.

Answer 1

@Pompeii00

Answer 2

@iGreen

Answer 3

i think its the second one

Answer 4

Fusion of sperm and ovum, each having a unique combination of chromosomes, introduces further variation.

Answer 5

thx could i ask you some more?

Answer 6

sure

Answer 7

ill tag you in them