Biology, 12.08.2020 06:01 milkshakegrande101
Na espécie humana ocorrem quatro grupos sanguíneos do sistema ABO – A, B, AB e 0 (zero) –, relacionados à presença de certos antígenos na membrana dos glóbulos vermelhos. A genealogia adiante revela grupos sanguíneos do sistema ABO. A análise da genealogia sugere que
a) o indivíduo II-2 pertence ao grupo sanguíneo A.
b) a probabilidade de o indivíduo II-4 ser do grupo 0 (zero) é 100%.
c) o indivíduo II-1 não apresenta os aglutinogênios A nem B, antígenos que são glicoproteínas.
d) o alelo IA é dominante em relação ao alelo IB e os indivíduos ii não possuem as aglutininas anti-A e anti-B.
e) o casal I-1 x I-2 pode vir a ter filhos dos quatro grupos sanguíneos do sistema ABO.
Answers: 3
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