List the genotypic ratios of the cross between a man with O blood type and a woman with heterozygous B blood type.
What will be an ideal response?
The man's genotype is ii. The woman's genotype is IBi. If these two are crossed, they can produce 50% IBi and 50% ii.
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A major distinction of genome-wide association (GWA) studies, compared to the more traditional approaches of empiric risk, heritability, adoptee and twin studies, is that
A) GWA studies examine markers found throughout the entire genome, so that even genes that would not be expected to contribute to a phenotype can be discovered. B) GWA studies actually sequence entire genomes. C) GWA studies can be performed on healthy individuals. D) GWA studies consider already-known traits.
Epithelial tissue is least likely to:
a. contract. b. be specialized as sensory receptors. c. provide protection. d. regulate exchange of substances between parts of the body. e. produce and secrete cell products.
The accuracy of charging a tRNA with the correct amino acid is about 1.5 × 10-5, which is lower than the error rate of translation (which is about 2 to 5 × 10-4)
Aminoacyl-tRNA synthetases use both kinetic and chemical proofreading. What is the distinction between these two proofreading methods? What will be an ideal response?
The technique known as ________ relies on the fact that although the PCR fragments are about the same ________, they differ in ________. The DNA denaturing rate on a gel then varies with the ________ content, DNA sequence, and chemical gradient. Hence, similar fragments can be separated and identified.
What will be an ideal response?