Korkot7633
30.07.2019 •
Biology
Some members of david's family have an autosomal recessive disease. david does not have the disease; neither do his parents, nor his two brothers. his maternal grandfather has the disease, his paternal grandmother has the disease, and his sister has the disease. draw a pedigree chart to represent the geno- types of all grandparents, parents, and children. next to each person, write his or her possible genotype
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Ответ:
in autosomal recessive disorders, the diseased genes are inherited from the parents. For the person to get the disease both diseased genes should be there in the genotype as its a recessive disorder.
the dominant gene - H
recessive gene - h
for a person to get a disease, genotype should be hh, as its autosomal recessive. If the person is normal he/ she could have the genotype HH or could be Hh and thats called a carrier.
the offspring will receive one gene from the mother and one from the father
Ответ: