When it was shown that animals could reproduce geometrically but didn't, darwin concluded that?

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels