Summarize variations in climate among three major zones as you travel south from the equator toward the south pole?

answer; a male inherits only one allele of the x-linked gene controlling hair color;

because of

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation: