Huntington’s disease: Huntington’s disease is a disease in which certain parts of the brain waste away; symptoms usually begin later in life. In a community in Venezuela, an allele for Huntington’s disease (represented by the letter H) is completely dominant to the allele for no Huntington’s disease (represented by a lowercase h). The three possible parental genotypes are HH, Hh, and hh. There are six possible crossings that can be made between these genotypes (for example, HHxHH, HHxHh, etc.). Show the probabilities of the genotypes and phenotypes in the F1 generation from all six possible crossings. In real human families, would you see offspring in proportions equivalent to these probabilities? Why or why not?
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How does natural selection change thephenotypes within a population over time?
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Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent
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Huntington’s disease: Huntington’s disease is a disease in which certain parts of the brain waste aw...
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