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Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino
Or
If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child
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Important Questions on Principles of Inheritance and Variation
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Loss or gain of one or more complete set of chromosomes along with the diploid complement is known as
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Addition of one or more haploid set of its own genome in an organism results in
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Autosomal mutant allele causes
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Due to nondisjunction of chromosomes during spermatogenesis, sperms carry both sex chromosomes and some sperms do not carry any sex chromosome . If these sperms fertilize normal what types of genetic disorders appear among the offsprings?
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Genetic variation in a population arises due to
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The chromosomal condition in Turner' syndrome is
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The change in single base pair
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Which is correct for Turner's syndrome?
