Match the statements

A. In the fruit fly, gene sizes have a bimodal distribution

B. 

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#Question id: 15833

#Unit 8. Inheritance Biology

Your friends Ben and Jane are contemplating having children and seek your genetic counsel. Ben and Jane are unrelated, but both have younger brothers with the same, extremely rare genetic trait. (In fact, Ben and Jane met at a support group meeting for children and families of children with this rare disorder.) Ben’s parents and Jane’s parents are all unaffected.          

Assume that the trait is autosomal dominant with 80% penetrance in heterozygotes and 100% penetrance in homozygotes. If not affected, what is the probability that the child is a carrier?

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#Question id: 4929

#Unit 8. Inheritance Biology

Maternal inheritance of coiling of shell in snail (limnaea peregra) is well established. The dextral coiling depends on dominant allele D and sinistral coiling depends upon recessive allele d. A female F1 progeny of dextral(Dd) type is crossed with a male dextral (Dd). What will be the phenotype ratio in progeny?

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#Question id: 18623

#Unit 13. Methods in Biology

Which of the following PCR has been devised to increase the specificity of PCR without lowering the efficiency

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#Question id: 1027

#Unit 4. Cell Communication and Cell Signaling

Which of the following bacteria lack a cell wall?

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#Question id: 5121

#Unit 5. Developmental Biology

Following statements are being made regarding ‘stem cells. Which statement is incorrect?