Questão 400745a1-b0
Prova:PUC-MINAS 2013
Disciplina:Biologia
Assunto:Hereditariedade e diversidade da vida, Introdução à genética: 1ª e 2ª leis de Mendel
FIBROSE CÍSTICA é um distúrbio genético que se desenvolve somente quando o indivíduo apresenta dois alelos
mutados do gene CFTR, causando principalmente doença pulmonar crônica e progressiva e a insuficiência
pancreática. Dois por cento da população mundial são portadores assintomáticos da mutação no gene associado
à fibrose cística. O heredograma foi montado para se estudar a ocorrência desse distúrbio em uma determinada
família, na qual o casal 5 x 6 está esperando um filho.
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)
Analisando-se as informações acima, é INCORRETO afirmar:
FIBROSE CÍSTICA é um distúrbio genético que se desenvolve somente quando o indivíduo apresenta dois alelos
mutados do gene CFTR, causando principalmente doença pulmonar crônica e progressiva e a insuficiência
pancreática. Dois por cento da população mundial são portadores assintomáticos da mutação no gene associado
à fibrose cística. O heredograma foi montado para se estudar a ocorrência desse distúrbio em uma determinada
família, na qual o casal 5 x 6 está esperando um filho.
Analisando-se as informações acima, é INCORRETO afirmar:
A
Trata-se de uma herança autossômica recessiva.
B
A chance de o indivíduo 7 vir a ser afetado é de 1/8.
C
A chance de o indivíduo 3 ser portador assintomático da mutação é de 2/3.
D
A chance de o casal 1 x 2 ter outra criança afetada é a mesma de ter uma normal homozigota.