Why can parents who are heterozygous for type a and type b blood have children with any of the four human blood types? use a punnett square to support your answer.

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. agouti x albino a) 1/2 albino, 1/2 agouti b) all agouti c) 3/4 agouti, 1/4 albino

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection