If Mendel crossed a pea plant homozygous dominant for yellow peas (YY) with a homozygous recessive plant with green peas (yy), what percentage of offspring will be homozygous dominant?
a. 0%
b. 50%
c. 75%
d. 100%
a. 0%
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The observation that all races of humans have the same FOXP2 allele is evidence that favored this allele.
A. independent assortment B. natural selection C. random chance D. recombination E. artificial selection
When individual cellular slime mold amoebas are near starvation, all the individuals in that immediate area aggregate into a large moving mass of cells called a
A. spore. B. test. C. community. D. colony. E. slug.
In genetic imprinting, expression depends on the parent of origin of a given allele
How might imprinting affect the expression of a hypothetical autosomal disease that expresses in dominant fashion and recessive fashion, and how might imprinting be detected?
What result would you expect if a mutation eliminates one of the four arms of a tRNA?
A) The tRNA will fit into the A site but will not release the peptide at the P site. B) The tRNA will not be recognized by tRNA synthetase and cannot be charged. C) The tRNA will be charged with the wrong amino acid. D) The tRNA will not be able to undergo traditional complementary base pairing. E) There will be no effect on function, so long as the anticodon region is intact.