What is the Complementary Genes Ratio in Genetic interactions?

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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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Explain in terms of gene product function how a mutant allele can be dominant? recessive?

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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 ethical dilemmas should be considered when genetic engineering is put into practice?

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In cucumbers normal leaves (N) are dominant to curled leaves (n) and elongated fruit (L) is dominant to spherical fruit and these genes are linked on the same chromosome. If a pure-breeding normal-leaved, elongated fruit cucumber is crossed with a curled-leaved, spherical fruit cucumber, what will be the phenotype of the F1? the phenotypic ratio of the F2?

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How the positive and negative DNA markers are used in genetic engineering?

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How restriction enzymes,DNA probes are used in genetic engineering?

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In pea plants, tall plants are dominant to short plants. If two heterozygous tall plants are crossed, what percent of the offspring will probably be short?

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what is the difference between back cross and test cross?

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what is klinefelter's syndrome?

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what is genetic mutation?

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