Question

question 43
1.5 pts
which of the following statements correctly describes the differences between sexual and asexual reproduction?
asexual reproduction, but not sexual reproduction, is characteristic of all living organisms.
in sexual reproduction, offspring vary genetically from their siblings and both parents.
in asexual reproduction, offspring are produced by fertilization of sperm and egg.
asexual reproduction produces offspring that vary genetically from the parent.

Explanation:

1. Analyze the first option: Not all living organisms use asexual reproduction (e.g., some animals only reproduce sexually), and sexual reproduction is also characteristic of many organisms, so this is incorrect.
2. Analyze the second option: In sexual reproduction, offspring get genetic material from two parents, leading to genetic variation from siblings and parents. This matches the characteristics of sexual reproduction.
3. Analyze the third option: Fertilization of sperm and egg is part of sexual reproduction, not asexual, so this is incorrect.
4. Analyze the fourth option: Asexual reproduction produces offspring that are genetically identical (or nearly identical) to the parent, not varying genetically, so this is incorrect.

Answer:

B. In sexual reproduction, offspring vary genetically from their siblings and both parents. (Note: Here we assume the options are labeled as A, B, C, D, E with the second option being B as per the standard multiple - choice labeling. If the original options had different labels, adjust accordingly. The key is the statement "In sexual reproduction, offspring vary genetically from their siblings and both parents.")