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If allele for tallness ( TT ) is dominan...

If allele for tallness ( TT ) is dominant and dwarfness ( tt ) is recessive , then in cross between _____________ `50 %` of the offsprings will be dwarf .

A

`T T xx t t `

B

`T t xx t t `

C

`t t xx t t `

D

`T t xx T t `

Text Solution

Verified by Experts

The correct Answer is:
b
If allele for tallness (TT) is dominant and dwarfness (tt) is recessive, then in a cross between `T t xx t t , 50%` of the offspring will be dwarf.
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ARIHANT PRAKASHAN-HEREDITY AND VARIATION-CHAPTER TEST
  1. If allele for tallness ( TT ) is dominant and dwarfness ( tt ) is rece...

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  2. Multiple alleles control the inheritance of . . . . in man

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  3. An incomplete dominance is shown by

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  4. A plant with round (dominant) seeds was crossed with a plant with wrin...

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  5. Multiple alleles are present on

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  6. Law of independent assortment of Mendel can be proved on the basis of ...

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  7. A cross of F(1) with the recessive parent is known as

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  8. According to chromosomal theory of inheritance, a gamete contains only...

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  9. Test cross is conducted in breeding programmes to stabilise a characte...

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  10. During incomplete dominance, phenotypic ratio is . . . . .

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  11. Skin colour inheritance in humans is an example of ............ .

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  12. A cross between F1-hybrid and a recessive parent gives the ratio of

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  13. ......... inheritance deals with quantitative traits.

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  14. ......... and crossing over do not conform to Mendel's principles of i...

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  15. ......... linkage groups are found in human female.

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  16. Write short note on the dihybrid cross.

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  17. How are dominance, codominance and incomplete dominance patterns of i...

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  18. Who proposed chromosomal theory of inheritance ? Point out any two sim...

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  19. Differentiate between heredity and variation.

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  20. Differentiate between pleiotropy and polygenic inheritance .

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  21. In man, brown eyes (B) are dominant over blue (b) and dark hair (R) ar...

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