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How many sex chromosomes does a normal human inherit from father?

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Important Questions on Heredity & Evolution

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Mendel showed that unit factors, now called as alleles, exhibit a dominant-recessive relationship. In a monohybrid cross, the              trait disappears in the first filial generation
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If a man with an X-linked dominant disease has six sons with a woman having a normal complement of genes, then the sons will
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Prehistoric forms of life are found in fossils. The probability of finding fossils of more complex organisms
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A person with blood group A can (a) donate blood to, and (b) receive blood from,
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A women heterozygous for color blindness marries a color blind man. What will be the ratios of carrier daughters, color blind daughters, normal sons and color blind sons in F1 generation?
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Children suffering from phenylketonuria are given food low in phenylalanine and supplemented with tyrosine. This is because they.
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Transfer of genetic material between populations is best defined as: