Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess concentration of chloride in sweat. A normal man whose sister has cystic fibrosis, his normal wife whose brother has cystic fibrosis. What is chance of cystic fibrosis in their child?

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#Question id: 3620

#8. Inheritance Biology

Which of the following word is a short form of allelomorph?

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#Question id: 3621

#8. Inheritance Biology

This is the genotype of blood group A

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#Question id: 3622

#8. Inheritance Biology

Two allelic genes are situated on

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#Question id: 3623

#8. Inheritance Biology

To carry out a complementation test, which of the following statement is correct?

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#Question id: 3624

#8. Inheritance Biology

To carry out a complementation test, parents that are homozygous for different mutations are crossed, producing offspring that mutant phenotype, it is due to

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#Question id: 3625

#8. Inheritance Biology

If a heterozygous two recessive mutation at different site will give mutant phenotype when gene involved