NCERT Class 11 Biotechnology Chapter 6 Answer English Medium | Basic Principles of Inheritance | NCERT Class 11 Biotechnology Book Chapter 6 Book Questions and Answer Solutions English Medium |

Chapter 6

Basic Principles of Inheritance

Exercises

1. Differentiate between the following

(a) Genotype and Phenotype

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(b) Dominant and Recessive characters

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(c) Hybrid and Pure individuals

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(d) Heterozygous and Homozygous progeny

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(e) Monohybrid and Dihybrid cross

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(f) Gene and allele

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(g) Incomplete dominance and codominance

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2. Mention the genotypic and phenotypic ratio of progeny when there is a cross between

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3. Explain test cross through diagrammatic representation.

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4. Explain following using monohybrid cross

(a) Law of dominance

(b) Law of segregation

(c) Law of independent assortment

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5. What will be the genotypic and phenotypic ratio when a red and tall homozygous tomato plant is crossed to a red and tall heterozygous plant?

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6. When one male and one female Drosophila, heterozygous for the two pairs of alleles AaBb, were mated, the offspring’s phenotypic ratio 2:1:1:2 was obtained.

(a) Explain how these ratios help in detecting linkages?

(b) How degree of linkage can be determined?

7. Make a close observation with the nature. Do you think that the phenomenon of linkage is absolute?

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