Biology, 03.11.2020 17:20 nothingworksoutforme
A mouse geneticist selected for increased 12-day litter weight (total weight of a litter of offspring 12 days after birth) in a population of mice. The 12-day litter weight of the population steadily increased but then leveled off after about 17 generations. At generation 17, the geneticist took one family of mice from the selected population and reversed the selection procedure: in this group, he selected for decreased 12-day litter size. This group immediately responded to decreased selection; the 12-day litter weight dropped 4.8 g within one generation and dropped 7.3 g after 5 generations. On the basis of the results of the reverse selection, what is the most likely explanation for the leveling off of 12-day litter weight in the original population
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Biology, 21.06.2019 19:00
The model illustrates a process by which a substance is taken up by a cell
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Biology, 21.06.2019 23:00
Use this new information to determine the parents’ genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition. drag one pink label to each pink target and one blue label to each blue target. then use the white labels to answer questions 1 and 2. labels can be used once, more than once, or not at all.
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Biology, 22.06.2019 08:50
Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.
Answers: 1
A mouse geneticist selected for increased 12-day litter weight (total weight of a litter of offsprin...
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