Answer the following question given this paragraph: Q: Providing evidence of their ancestry, some species of what legless animals retain vestigial pelvic and limb bones? Choices: - dolphins - sharks - whales - snakes A:
snakes
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Answer the following question given this paragraph: Chromosomal disorders also occur when part of a chromosome becomes damaged. For example, if a tiny portion of chromosome 5 is missing, the individual will have cri du chat (cat's cry) syndrome. These individuals have misshapen facial features, and the infant's cry resembles a cat's cry. Q: Which chromosome is associated with cri du chat syndrome? Choices: - collagen 5 - genome 5 - spore 5 - chromosome 5 A:
chromosome 5
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Answer the following question given this paragraph: The DNA of a chromosome is encoded with genetic instructions for making proteins. These instructions are organized into units called genes . Most genes contain the instructions for a single protein. There may be hundreds or even thousands of genes on a single chromosome. Q: What are the organized instructions within dna for making proteins called? Choices: - clones - genomes - replicants - genes A:
genes
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Answer the following question given this paragraph: Q: While the chromosome is replicating, the cell does what? Choices: - propagates - shrinks - diffuses - elongates A:
elongates
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