When we compare levels of genetic variation in a contemporary African population to that of a contemporary non-African population, we find there is:
A. more variation in the African population.
B. more variation in the non-African
population.
C. equal variation in both populations.
D. no consistent pattern: sometimes we find
more variation in the African population and
sometimes we find more in the non-African
population.
E. None of the answer options are correct.
A
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If a DNA template strand has a sequence of 3? TACAATGTAGCC 5?, then the RNA produced from it will be which sequence?
A. 3?TACAATGTAGCC5? B. 5?ATGTTACATCGG3? C. 5?AUGUUACAUCGG3' D. 3?AUGUUACAUCGG5? E. 3?ATGTTACATCGG5?
The term used to describe the interrelationship between the living and non-living environments in an area is called a(n)
A. group. B. community. C. ecosystem. D. ecological niche
Dwarf plants are often short because they produce less gibberellin than taller varieties of the same species. What other scenarios might lead to dwarf plants? Choose all that apply.
_____ DELLA proteins that can't bind transcription factors as well. _____ GID proteins that can't bind gibberellin as well. _____ DELLA proteins that bind transcription factors more strongly than normal. _____ GID proteins that can't bind DELLA proteins as well.
An example of the morphological species concept would be achieved by
a. doing a genetic analysis on the two organisms. b. looking at the appearance of two organisms. c. mating the two organisms to see if viable offspring result. d. observing the mating rituals of the two organisms. e. tracing the common ancestry of the two organisms.