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Biology, 23.11.2019 03:31 RealGibbon857
Sickle-cell disease is caused by a single mutation in the dna of a particular gene. a person with this disease has red blood cells that lose their original donut shape and form a sickle shape. people with this disorder suffer from low energy levels, blood clots, and strokes. this is an example of
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Biology, 22.06.2019 20:30
Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.
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Biology, 23.06.2019 01:30
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. a parakeet that is heterozygous for blue feathers (dominant) is crossed with a parakeet that is homozygous for white feathers (recessive). according to the punnett square for this cross, what percentage of offspring is predicted to have blue feathers? 25 percent 50 percent 75 percent 100 percent
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Sickle-cell disease is caused by a single mutation in the dna of a particular gene. a person with th...
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