Một gen (1 đoạn của phân tử ADN) có số Nu loại A bằng 1000 nu và bằng 2/3 số Nu loại X. a. Tính số Nu loại T, G,X của gen

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing