Attached earlobes are recessive to free earlobes. What genotypic ratio is expected when an individual with attached earlobes mates with an individual heterozygous for free earlobes?
A) 2:1
B) 1:1
C) 1:2:1
D) 3:1
B
Biology & Microbiology
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Anticipation is associated with which type of mutation?
A. Nonsense mutations B. Up-promoter mutations C. Intergenic suppressors D. TNRE mutations E. None of the answers are correct
Biology & Microbiology
Chorionic Villus Sampling reveals that a fetus has the karyotype 47, XX, +21. What is the diagnosis?
A) Edward syndrome B) Turner syndrome C) Down syndrome D) Klinefelter syndrome
Biology & Microbiology
Feces from Canadian geese can
a. soil shoes. b. stain clothes. c. pollute bodies of water. d. cause infections. e. cause all of these
Biology & Microbiology
Which plant hormone listed below is
responsible for the symbiotic relationship shown in the above figure? a. auxin b. gibberellin c. cytokinin d. jasmonic acid e. abscisic acid
Biology & Microbiology