Q. What is the phenotypic ratio in case of duplicate dominant epistasis?

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Q. Shepherd’s purse has two shape heart and narrow. If you cross a true breeding heart to a true breeding narrow, F1 will give___________

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Q. The 15/16 of the duplicate dominant epistasis doesn’t correspond to _____________

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Q. You crossed two heart shaped Shepherd’s purse which is heterozygous at one locus and homozygous recessive at other gene locus, what would be the ratio of heart shaped and narrow in F1?

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Q. Lethal alleles can only be recessive.

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Q. In Aurea, a type of snapdragon, only ______________ carrying dominant genes live.

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Q. The ______________ mouse is lethal.

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Q. Cross of two yellow mice will give _____________ normal mouse.

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Q. Which of the following is not true for yellow mice?

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Q. The lethal mutation that is seen in the yellow mice is due to _______________ mutation.

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Q. Tay Sach’s disease doesn’t agree with which of the following?

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Q. A person homozygous for lethal allele______________

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Q. Huntington’s disease affects individuals carrying the gene starting from the age of ____________

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Q. Dominant lethal alleles are quickly removed from the pool while the recessive ones remain.

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