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How is it different from polyploidy? Describe the individuals having the following chromosomal abnormalities. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation Discuss in detail the contributions of Morgan and Sturtevant in the area of genetics. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation A normal visioned woman, whose father is colour blind, marries a normal visioned man. What would be probability of her sons and daughters to be colour blind? Explain with the help of a pedigree chart. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic? (b) Also describe as to who determines the sex of an unborn child? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation In a plant tallness is dominant over dwarfness and red flower is dominant over white. Starting with the parents work out a dihybrid cross. What is standard dihybrid ratio? Do you think the values would deviate if the two genes in question are interac... 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation It is said, that the harmful alleles get eliminated from population over a period of time, yet sickle cell anaemia is persisting in human population. Why? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation With the help of an example, differentiate between incomplete dominance and co-dominance. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation What is artificial selection? Do you think it affects the process of natural selection? How? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation What is recombination? Discuss the applications of recombination from the point of view of genetic engineering. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation How do genes and chromosomes share similarities from the point of view of genetical studies? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation Discuss why Drosophila has been used extensively for genetical studies. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation If a father and son are both defective in red-green colour vision, is it likely that the son inherited the trait from his father? Comment. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation Why is the frequency of red-green colour blindness is many times higher in males than that in females? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation In peas, tallness is dominant over dwarfness, and red colour of flowers is dominant over the white colour. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation What are the characteristic features of a true-breeding line? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation A plant with red flowers was crossed with another plant with yellow flowers. If F1 showed all flowers orange in colour, explain the inheritance. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation How was it concluded that genes are located on chromosomes? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation What is Down’s syndrome? Give its symptoms and cause. Why is it that the chances of having a child with Down’s syndrome increase if the age of the mother exceeds forty years? 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation Can a child have blood group O if his parents have blood group ‘A’ and ‘B’? Explain. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation In a Mendelian monohybrid cross, the F2 generation shows identical genotypic and phenotypic ratios. What does it tell us about the nature of alleles involved? Justify your answer. 3 years ago Shilpi98 class 12 cbse ncert exemplar principles of inheritance variation Page 1 / 5 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
