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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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
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.