How do genes and chromosomes share similarities from the point of view of genetical studies?
How do genes and chromosomes share similarities from the point of view of genetical studies?
Similarities between Chromosomes and Genes:
(i) Both occur in pairs.
(ii) Both segregate at the time of gamete formation such that only one of each pair is transmitted to a gamete.
(iii) Independent pairs segregate independently of each other in both.
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Define aneuploidy. How is it different from polyploidy? Describe the individuals having the following chromosomal abnormalities.
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Discuss in detail the contributions of Morgan and Sturtevant in the area of genetics.
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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.
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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?
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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...
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