Males are more often affected by sex-linked traits than females because _____
A) male hormones such as testosterone often alter the effects of mutations on the X chromosome
B) female hormones such as estrogen often compensate for the effects of mutations on the X chromosome
C) X chromosomes in males generally have more mutations than X chromosomes in females
D) males are hemizygous for the X chromosome
D
You might also like to view...
What structure do myelin sheaths form along?
A. Cell bodies B. Dendrites C. Ganglia D. Axons E. Neuroglia
Glycolysis and the Krebs cycle reactions both occur in the mitochondria
Indicate whether the statement is true or false
The type of learning that is associated with an organism solving a problem without any prior experiences with the situation is called
A. associative learning. B. insight learning. C. imprinting. D. operant conditioning.
Reye's syndrome involves
A. aspirin use. B. children, adolescents, and young adults. C. fatty degeneration of liver, brain, kidney. D. a febrile viral illness such as influenza or chickenpox. E. All of the choices are correct.