Genetic variation among the gametes of one individual is most likely to increase if crossing over: (a)involves different species.
(b)happens after meiosis ll.
(c)involves sister chromatids.
(d)happens during meiosis l.

Which best explains how this maneuver unblock a person's airway?

What are genotypes? what are phenotypes?

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.