Which of the following terms best describes when the phenotype of the heterozygote differs from the phenotypes of both homozygotes?
A) Incomplete dominance
B) Multiple alleles
C) Pleiotropy
D) Epistasis
Ans: A) Incomplete dominance
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Cultural traits are transmitted horizontally and vertically through learning. Which of the examples below shows the horizontal transmission of culture?
A. A mother teaches her son how to ride a bike. B. A female chimpanzee teaches her offspring to capture termites using a stick. C. A son inherits the recessive form of a gene from his father. D. A teenager teaches her brother how to text. E. None of a-d are examples of horizontal transmission of culture.
The three main energetic components of sunlight are
A. gamma rays, visible light, and infrared radiation. B. visible light, radio waves, and ultraviolet radiation. C. ultraviolet radiation, visible light, and x-rays. D. ultraviolet radiation, visible light, and infrared radiation. E. microwaves, visible light, and ultraviolet radiation.
Which of the following groups has the most species?
A) kingdom B) order C) phylum D) domain
CREB1 function as a (A)________, whereas CREB2 function as a (B)________. The consensus sequence for CREB1 and CREB2 is (C)_________.
a. (A) transcriptional activator (B) transcriptional repressor (C) same b. (A) transcriptional repressor (B) transcriptional activator (C) same c. (A) transcriptional activator (B) transcriptional repressor (C) different d. (A) transcriptional repressor (B) transcriptional activator (C) different