One characteristic of an autosomal dominant trait is that ____
a. 50% of individuals with two affected parents will be affected
b. if two affected individuals are homozygous, the risk of having an affected child is 1:4
c. heterozygous fathers will always have affected daughters
d. every affected individual has at least one affected parent
e. mothers always pass the trait on to their sons
d
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Solutes move between body compartments by using
A. diffusion. B. ATP-powered active transport. C. transporters. D. facilitated diffusion. E. Solutes use all of these mechanisms to move between compartments.
Transcription _____
a. uses both strands of DNA as templates b. uses the enzyme DNA polymerase c. results in a double-stranded end product d. produces three different types of RNA molecules e. does not require the hydrogen bonds of DNA to be broken
Emotional states are the responsibility of the
a. medulla. b. corpus callosum. c. limbic system. d. cerebral cortex. e. cerebellum.
For two populations to remain genetically homogenized, a significant proportion of the population of each must be exchanged at least every other generation
Indicate whether the statement is true or false