What genotype would be found in an individual who is a carrier for a recessive genetic disorder but does not have symptoms of the disorder?
A) heterozygous
B) homozygous for the recessive allele
C) homozygous for the dominant allele
D) either homozygous for the recessive allele or heterozygous
A
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For a multifactorial, polygenic trait, the characteristic shape of the mathematical plot of frequency for each phenotype class is
A) linear, going up. B) linear, going down. C) a bell curve. D) a square curve.
Assuming that an amino acid sequence is 250 amino acids long, how many different molecules, each with a unique sequence, could be formed?
What will be an ideal response?
If the nitrogenous bases of both a DNA transposon and a retrotransposon were tagged with fluorescent markers, what statement best describes the result after transposition of both types of transposable elements (TEs) has occurred?
A. The markers would be found at the new site of the retrotransposon, but not at the new site of the DNA transposon. B. The markers would be not be found at either new site. C. The markers would be found at the new site of the DNA transposon, but not at the new site of the retrotransposon. D. The markers would be found at the new sites of the DNA transposon and the retrotransposon.
Which of the following is the major glycolytic pathway used by plants and animals?
A. Tricarboxylic acid cycle B. Pentose phosphate pathway C. Entner-Doudoroff pathway D. Embden-Meyerhof pathway