Why does RNA have 5 bases and DNA has only 4?


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More Genetics Interview Questions

What is the chemical composition of gene?

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In humans, freckles are dominant to no freckles. A man with freckles is married to a woman with freckles, but the children have no freckles. What's the reason?

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How do u differentiate between Meiosis I & Meiosis II?

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A certain man has the genotype AaBb; genes A and B are on one chromosome and a and b are on its homologue. List the gametes that could be formed with crossing over and with no crossing over

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Flower position, stem length, and seed shape were three traits that were studied by Mendel. Each is controlled by an independently assorting gene. If a plant that is heterozygous for all three traits was allowed to self- fertilize, what proportion of the offspring would be expected to show all three dominant phenotypes?

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What is the difference between Sex-Linked and Sex- Influenced diseases?

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what happens in Dislexia, genetic or brain damage ?

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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 is the Complementary Genes Ratio in Genetic interactions?

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what is the pairing rule for deoxyribonucleic acid?

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What are the benefits/risks when company traditional and genetically engineered breeding?

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A single base exchange mutation occurs in the promoter of the TRP operon. How the operation of the HIS operon might be affected in two ways?

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