The lens within the eye focus light into the

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?