Genetic drift resulting from a disaster that drastically reduces population size is called
A) natural selection.
B) gene flow.
C) the bottleneck effect.
D) the founder effect.
Answer: C
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The DNA sequence which corresponds to a specific protein product is referred to as a ____
Some help with this please?
Species present in the regional species pool are sorted into local communities based on their adaptations (to conditions of the environment and to finding suitable resources) and interactions with other species. The result is often that the __________ niche represents a restricted subset of ranges and conditions represented in the __________ niche.
A) fundamental, realized B) realized, fundamental
Which of the following is not true of an organism's genotype?
A. The genotype is inherited. B. The genotype includes regulatory genes controlling gene expression. C. The genotype is made up of structural genes coding for proteins. D. The genotype includes genes coding for RNA. E. The genotype includes the expressed traits governed by the genes.
The rungs of the DNA ladder are formed by base pairs
a. joined by covalent bonds. b. joined by hydrogen bonds. c. joined by ionic bonds. d. NOT joined to each other