Feb 08, 2018 · In sickle-cell anemia, the individual does not produce any red blood cells. a. True b. ... Genetic drift refers to chance fluctuations of allele frequencies of a population and can be seen in both ... If a genetic disease reduces fertility and the allele that causes the disease offers no other advantage, the allele will likely eventually disappear, due to natural selection.B. Natural selection does not favor individuals who are homozygous for the sickle-cell allele, because these individuals typically die before they are old enough to ...
Dec 28, 2020 · Sickle cell anemia requires the inheritance of two sickle cell genes. Sickle cell trait. which is the inheritance of one sickle gene. almost never causes problems. Virtually all of the major symptoms of sickle cell anemia are the direct result of the abnormally shaped sickled red blood cells obstructing the flow of blood. Genetic code possesses the biological information in a long biopolymer which is located on the specialized structure known as chromosomes. In a cell, the genetic information is located in the nucleus, the nuclear membrane protects it from degradation.
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