AP BIOLOGY

LABORATORY REVIEW

MITOSIS AND MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Some organisms are able to reproduce asexually through mitosis, while cells of organisms that reproduce sexually will undergo meiosis to produce gametes. Which process do you predict would be most beneficial to a species during a drastic change in environmental conditions?
A
Meiosis; it results in more daughter cells, which increases the population of the species.
B
Meiosis; it results in more genetic variation, which would help ensure the species will survive.
C
Mitosis; it results in more genetic mutations, which may be advantageous to the species.
D
Mitosis; it results in more offspring in a short time, which increases the odds that some will survive.
Explanation: 

Detailed explanation-1: -Expert-Verified Answer. The answer is A. Meiosis: It increases genetic variation, which helps ensure the species will survive. Meiosis increases genetic variation.

Detailed explanation-2: -The organisms that reproduce sexually utilize mitosis. It helps increase the number of sex cells and repairs the genetic defects in the particular tissue.

Detailed explanation-3: -Asexual reproduction occurs through fission, budding, and fragmentation.

Detailed explanation-4: -Which process do you predict would be most beneficial to a species during a drastic change in environmental conditions? Meiosis; it results in more genetic variation, which would help ensure the species will survive.

Detailed explanation-5: -Only sexually reproductive organisms utilize meiosis. The role of the process is to produce sex cells and to repair genetic defects in germ line cells (the sex cells). Both sexual and asexual organisms go through the process of mitosis.

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