The process of deciding which combination of half chromosomes (chromatids) is completely random just like tossing a coin is completely random.
Answer is C; volume stays the same (always) but the shape will change (to take of the space of the container).
The first law. Planets orbit is an ellipse with the Sun at one focus.
Answer:
Genetic diversity is an advantage of sexual reproduction because it reduces the occurrence of unfavorable genetic traits and a variety of genes would lessen the chance of the extinction of a population due to environmental changes. The variation between a genetically diverse species will guarantee at least some of it survive when presented with different climates or challenges.