Why does RNA have 5 bases and DNA has only 4?
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What is the chemical composition of gene?
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?
How do u differentiate between Meiosis I & Meiosis II?
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
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?
What is the difference between Sex-Linked and Sex- Influenced diseases?
what happens in Dislexia, genetic or brain damage ?
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?
What is the Complementary Genes Ratio in Genetic interactions?
what is the pairing rule for deoxyribonucleic acid?
What are the benefits/risks when company traditional and genetically engineered breeding?
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?