Biology, 13.09.2019 20:30 bandzswagg123
If the rice already had the genes that could make vitamin a, why did scientists use genes from other organisms?
a. the rice genes didn't make the right type of vitamin a.
b. it's easier to introduce genes from one species into another than from just one species.
c. scientists could have just "turned on" the rice genes, but they wouldn't have learned anything from that process.
d. it's easy to extract genes from bacteria.
e. the scientists didn't know how to "turn on" the genes in the rice.
Answers: 3
Biology, 21.06.2019 13:00
Explain the importance of producers, primary consumers, secondary consumers. and decomposers in an ecosystem
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Biology, 21.06.2019 20:00
Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species
Answers: 3
Biology, 21.06.2019 23:10
Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%
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Biology, 21.06.2019 23:30
Mutations associated with albinism affect proteins involved in synthesis
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If the rice already had the genes that could make vitamin a, why did scientists use genes from other...
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