Environmental factors can influence natural selection because they can increase or decrease

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?

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?

Creating new things to solve problems and improve life depends on the close interaction of which two fields?