Which of the following statements about the chromosomes of different species is true?
a. Different species of animals all have very different chromosomes. The relationship between species is not indicated by similarities in chromosomes.
b. The more closely related the species, the more similar their chromosomes will be.
c. The best way to determine the similarity between species is to study the number of chromosomes they have, not the different individual chromosomes.
d. Because not every species of animals actually have chromosomes, determining their genetic similarity by studying chromosomes is not a useful practice.
Answer: B
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A) increases the potential for healthy sperm to reach the site of fertilization. B) ensures variability among the genetic codes of siblings. C) ensures that characteristics will be transmitted from parents to offspring. D) decreases the likelihood of mutations, chromosomal abnormalities, and birth defects.
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a. True b. False
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What will be an ideal response?