Speciation has occurred when:
A. divergent populations evolve to the point where interbreedin...
Speciation has occurred when:
A. divergent populations evolve to the point where interbreeding does not produce viable, fertile offspring.
B. mutations in a population reach 100% of the organisms in that population.
C. organisms from a single species are separated by a physical barrier.
D. a DNA sequence is changed, resulting in an altered protein product.
E. an alteration in an organism's genetic material is made permanent.
Answers: 2
Biology, 21.06.2019 18:10
Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.
Answers: 1
Biology, 21.06.2019 20:00
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2
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Biology, 22.06.2019 00:10
How does natural selection change thephenotypes within a population over time?
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