Given below is a pedigree chart of a family with five children. It shows the inheritance of attached ear lobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals. Which one of the following conclusions drawn is correct?
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Rh factor can produce life-threatening disease ______. |
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Grain colour in wheat is determined by three pairs of polygene. Following the cross AABBCC (dark colour) x aabbcc (light colour), in F2-generation what proportion of the progeny is likely to resemble either parent |
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Which of the followings is a well known autosomal abnormality at birth? |
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The genotype of a plant showing the dominant phenotype can be determined by |
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Mendel's principle of segregation means that the germ cells always receive |
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What is the composite display (paired and arranged according to size) of all the chromosomes of an organism called? |
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Mating of an organism to a double recessive in order to determine whether it is homozygous or heterozygous for a character under consideration is called |
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In blood group typing in human, if an allele contributed by one parent is IA and an allele contributed by the other parent is i, the resulting blood group of the offspring will be |
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Phenotype of an organism is the result of |
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Excessive growth of hair on the pinna is a feature found only in males because |
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