By it alleles, and there genes what one plant have the other may not have see it all depends on the out come of the alleles-genes that they come up with .
This shouldd helpp broo .

Actually Welcome to the Concept of the Genes.
Basically a Polygenetic trait is controlled by two or more genes.
Examples of human polygenic inheritance are height, skin color, eye color and weight. Polygenes exist in other organisms, as well.
Answer:
The Tunica Media
Explanation:
Usually referred as the middle layer, it helps regulate blood flow and pressure.is a support for the vessel.Hope this helps:)
Answer:
lactic acid, carbon dioxide, and water
Explanation:
these are what it produces
hope it helps! =)
Answer: all the gray squirrels that live in a forest
Explanation:
A population refers to the total number of organisms of the same species living and breeding together in a given area.
Thus, since the gray squirrels all belong to the same specie and live in a given area called forest - population is best described by the phrase "all the gray squirrels that live in a forest"