The barley plant has seven pairs of chromosomes. For a gamete, the number of genetic combinations that are possible through independent assortment is 256. For a zygote produced by two barley parents, the number of possible genetic combinations 16,384.

So what was the question all you did was write a fact

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

allowed for the prediction of the properties of missing elements.