Pedigree Symbol | Meaning | |
1. | Mating between relatives (consanguineous mating) | |
2. | Parents above and children below (in order of birth – left to right) | |
3. | Parents with a male child affected with the disease | |
4. | Five affected offspring |
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Pedigree analysis is used for genetic analysis in humans rather than conventional genetic methods because:
I: | Choice matings are not possible. |
II: | The number of progeny is limited. |
Of the two statements:
1. | Only I is correct | 2. | Only II is correct |
3. | Both I and II are correct | 4. | Both I and II are incorrect |
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The mode of inheritance of the trait shown in the given pedigree is MOST likely:
1. | X-linked recessive | 2. | Autosomal recessive |
3. | X-linked dominant | 4. | Autosomal dominant |