a is the of a chromosome pair that attaches to a fiber stretching across the cell during cell division.

What is the most appropriate method of gaining weight (muscle mass)

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation