If genes are linked and an F1 is testcrossed,
A) the genes cannot separate.
B) they can produce only one phenotype.
C) they only produce homozygotes.
D) they produce more recombinant phenotypes than parental phenotypes.
E) they produce more parental phenotypes than recombinant phenotypes.
E
Biology & Microbiology
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Mutations:
A. can leave the protein sequence intact. B. will result in a different phenotype. C. will be corrected. D. will be passed onto offspring. E. None of the answer options is correct.
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What type of skeleton do earthworms have?
a. exoskeleton b. endoskeleton c. hydrostatic skeleton d. segmental skeleton e. none of these
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A nucleotide may contain a(n)
a. base. b. 5-carbon sugar. c. phosphate group. d. adenine. e. all of these
Biology & Microbiology