In mammals, males are ______ for genes on their sex chromosomes, and females can be ______ or heterozygous for genes on their sex chromosomes. rev
A. heterozygous, homozygous
B. hemizygous, homozygous
C. homozygous, hemizygous
D. heterozygous, hemizygous
B. hemizygous, homozygous
You might also like to view...
The SOS system repairs DNA that has gaps, breaks, and other lesions by
A) cutting DNA from other parts of the genome and pasting it into the gaps or damaged areas. B) stabilizing single-stranded DNA until the next round of normal replication. C) using specialized DNA polymerases that will synthesize a new DNA strand even if there is not a normal complementary DNA strand to act as a template. D) using available mRNA and a special RNA-dependent DNA polymerase to fill in the gaps and replace damaged DNA.
Soil particles are classified based on their size
Indicate whether the statement is true or false.
Which of the following is released when an aminoacyl-tRNA synthetase charges a tRNA?
A. mRNA B. ATP C. AMP D. pyrophosphate E. AMP and pryophosphate
Which of the following is false about Marfan
syndrome? a. It results from an autosomal dominant mutation. b. The affected gene produces a defective form of the protein fibrillin. c. Aortas of Marfan's patients are susceptible to rupture. d. It affects one in five thousand men and women. e. None of these is false.