In cats yellow is due to gene B and black to its allele b. These genes are located on the X chromosome (sex-linked). The heterozygous results in calico (tortoise shell). What kinds of offspring (sex & color) are expected from the cross: black male & calico female? Most calico males are sterile, why?

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What ethical dilemmas should be considered when genetic engineering is put into practice?

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what is totipotency

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who was the father of genetic engineering

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what are the sex linked traits in humanbeings?

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How can cloning help or hurt farmers?

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Has vitamin c been produced in a human naturally before?

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A normal woman whose father was a hemophiliac marries a normal man. What are the chances of hemophilia occurring in their children?

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If curly hair is genetic, why do you have curly hair if none of your ancestors did?

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How restriction enzymes,DNA probes are used in genetic engineering?

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our hair comes from our mother's father.Is it true or not?

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cancer cells have their dna wound back wards, is that true?

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