The collection of deleterious alleles in a population is called the
A) mutation load.
B) mutation bottleneck.
C) genetic load.
D) genome polymorphism.
C) genetic load.
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Genetic drift will have a progressively larger impact on allele frequencies in a population as ____
a. gene flow increases b. population size decreases
c. mutation rate decreases d. population size increases e. random mating increases
Movement of a molecule against a concentration
gradient is a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. bulk flow.
The master gene Hox helps to sculpt the body plan of
embryos by a. inhibiting the Dlx gene to prevent extra limbs. b. timing the activation of Dlx genes. c. causing cell death in any cell not expressing the Hox gene. d. converting sugar into energy to allow the process to go to completion. e. inducing mutations in plants.
From what is the lipid-containing outer envelope surrounding the viral capsid of many animal viruses derived?
A) the outer membrane of the chloroplast B) the outer mitochondrial membrane C) the nuclear envelope D) the plasma membrane E) the lysosomal membrane