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In an organism, tall phenotype is domina...

In an organism, tall phenotype is dominant over recessive dwarf phenotype, and the alleles are designated as T and t respectively. Upon crossing two different individuals, total 250 offsprings were obtained, out of which 125 displayed tall phenotype and rest were dwarf. Thus, the genotype of the parents were

A

TT xx TT

B

TT xx tt

C

Tt xx Tt

D

Tt xx tt

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The correct Answer is:
D
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MODERN PUBLICATION-HEREDITY AND VARIATION-EXERCISE
  1. In a cross between a pure tall pea plant with green and a pure short p...

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  2. In humans, height shows a lot of variation, it is an example of:

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  3. Inheritance of blood group is a condition of: (A) Co-dominance (B)...

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  4. Choose the correct answer from the choices given under each bit/Correc...

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  5. The term genome denotes :

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  6. Test cross is a cross between :

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  7. Mendel's principle of segregation means that the germ cells always rec...

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  8. All the genes contained in a haploid uncleus is called as :

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  9. Inheritance of flower colour is an example of incomplete dominance , w...

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  10. When red blood corpuscles containing both A and B antigens are mixed w...

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  11. A cross in which an organism showing a dominant phenotype is crossed w...

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  12. Heterozygosity of F1 hybrids can be determined by:

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  13. Heterozygous tall plant (Tt)is crossed with homozygous dwarf (tt) plan...

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  14. If a cross between two individuals produce offspring with 50% dominant...

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  15. If F1generation has all tall progenies and ratio of F2 generation is 3...

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  16. The behavior of the chromosomes was parallel to the behavior of genes ...

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  17. Which of the folowing is the number of alleles for blood group in an i...

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  18. In an organism, tall phenotype is dominant over recessive dwarf phenot...

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  19. In a monohybrid cross between two heterozygous individual, the number ...

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  20. F2 generation in a Mendelian cross showed that both genotypic and phe...

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