I will mark brainliest) Which of the following terms best describes when homologous pairs exchange segments of DNA during prophase I? Diploid
Haploid
Crossing over
Homologous chromosome

What best explains the inability for life to exist in earth early atmosphere

What is the next step in the process after a substrate enters the active site of an enzyme

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.