Which of the following statements is true for sexual reproduction?Body cells and sex cells each have one set of chromosomesBody cells have two sets of chromosomes; sex cells have one setBody cells have one set of chromosomes; sex cells have two setsBody cells and sex cells each have two sets of chromosomes
Question
Which of the following statements is true for sexual reproduction?Body cells and sex cells each have one set of chromosomesBody cells have two sets of chromosomes; sex cells have one setBody cells have one set of chromosomes; sex cells have two setsBody cells and sex cells each have two sets of chromosomes
Solution
The correct statement is: "Body cells have two sets of chromosomes; sex cells have one set."
Here's why:
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Body cells, also known as somatic cells, are diploid, meaning they contain two sets of chromosomes. One set is inherited from the organism's mother and the other from the father. This is true for most animals, including humans.
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Sex cells, also known as gametes (sperm in males and eggs in females), are haploid, meaning they contain only one set of chromosomes. This is because during sexual reproduction, the sperm and egg combine to form a new cell (a zygote), which needs to have the correct number of chromosomes. If both the sperm and egg were diploid, the resulting zygote would have four sets of chromosomes, which is not viable.
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Therefore, the statement "Body cells have two sets of chromosomes; sex cells have one set" is true.
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