Immunity that develops over time due to exposure to various antigens is termed
a. adaptive immunity.
b. learned immunity.
c. compensated immunity.
d. coordinated immunity.
e. innate immunity.
A
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Which of the following describe an aspect of epistasis?
_____ A situation where a single character is controlled by more than one gene. _____ A phenomenon where one gene masks the expression of another gene. _____ A pattern of inheritance in which modification of a gene during gamete formation permanently affects the phenotype of the individual. _____ A situation where one gene controls the expression of more than one character.
Molecular sequence analysis has revealed that Crustacea is paraphyletic, because it includes an ancestor but not all of
its descendants; the descendants not included in this clade are the ____.
a. trilobites b. myriapods c. hexapods d. annelids e. chelicerates
In meiosis, the number of chromosomes ______ while in mitosis, it ______
a. is halved/is doubled b. is halved/remains the same c. is doubled/is halved d. remains the same/is halved
An increase in thyroxine secretion increases the basal metabolic rate (BMR).
a. true b. false