1)Which of the following can be explained by haploinsufficiency? A)Complete domi

Question

1)Which of the following can be explained by haploinsufficiency? A)Complete dominance B)Incomplete dominance C)Co-dominance D)Lethality E)None of the above 2)A mutation that resides in the intron region of a gene mostly likely leads to a: A)Null allele B)Amorphic allele C)Hypomorphic D)loss of function allele E)silent mutation 3)Alleles that completely abolish gene expression are said to be: a)Polymorphic b)amorphic c)hypomorphic d)hypermorphic e)silent 4)Albinism is a recessive trait in humans.An albino woman marries a phenotypically normal man and has albino son.What is the genotype of the father ? a)AA b)Aa c) aa d)AA or Aa 5)In a population of plants, the flower color can be purple, blue or white.When purple flowers are crossed with blue flowers, all progenies have blue flowers.When purple flowers are crossed with white flowers, all progenies have purple flowers.Therefore, if we cross blue flowers with white flowers, what should be the flower color of progenies?(all parental flowers are homozygous) A) purple b)Blue c)White d)Need more information 6)What is the molecular difference between complete dominance and incomplete dominance? a)complete dominance is the result of haplosufficiency b)In complete dominance,one gene is involved whereas in incomplete dominance,two genes are c)In incomplete dominance,different alleles encode for two different polypeptides d)all of the above

Explanation / Answer

B C B B B C

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