a pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america