Biology, 10.03.2021 19:30 zealandcui
In certain portions of the Jewish population, there is a higher than normal
prevalence of a genetic disease called Tay Sachs disease, which is fatal to infants
within the first five years of life. This disease is caused by a recessive allele of a single
gene. Why does this disease persist, even though it is invariably fatal long before the
afflicted individual reaches reproductive age? (In other words, why doesn’t the
allele for Tay Sachs disease simply disappear?). (Note: this is a thinking question, no
Punnett squares needed, just answer the question) [
Answers: 1
Biology, 21.06.2019 19:50
Which of these resources is used worldwide to make construction products, pottery, and porcelain
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Biology, 21.06.2019 22:30
Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into
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Biology, 22.06.2019 02:00
Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?
Answers: 1
Biology, 22.06.2019 06:00
Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?
Answers: 1
In certain portions of the Jewish population, there is a higher than normal
prevalence of a genetic...
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