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Tallness (T-) is dominant over dwarfness...

Tallness (T-) is dominant over dwarfness (tt) while red flower colour (R-) is dominant over white colour (rr). A plant with genotype TtRr is crossed with plant of genotype ttrr. Percentage of progeny having tall plants with red flower is

A

0.25

B

0.5

C

0.75

D

1

Text Solution

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The correct Answer is:
A
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DINESH PUBLICATION-GENETIC BASIS OF INHERITANCE-Revision Questions From Competitive Exams
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  2. Which is correct about traits chosen by Mendel ?

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  3. Tallness (T-) is dominant over dwarfness (tt) while red flower colour ...

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  5. A cross between pure tall Pea plant with green pods and dwarf Pea Plan...

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  6. "Gametes are never hybrid ". It is a statement of law of

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  7. Mendel could not find recombination and crossing over as

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  8. Most favourite and ideal material for researches in genetics is

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  9. A cross involving parents differing only in one trait is

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  10. In mendelian crosses the gene responsible for different characters sep...

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  11. Dihybrid test cross ratio is

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  12. Which one is not a dominant trait amongst seven Pea traits chosen by M...

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  13. Epistasis is due to

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  14. 23 pairs of chromosomes can give rise to combinations

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  15. Heterozygous tall plant is selfed. It produces both tall and dwarf pla...

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  16. Which one is a dominant trait out of the characters chosen by Mendel ?

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  17. R is dominant red flower trait while r is recessive white flower trait...

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  18. Ultimate source of variation is

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  19. Source of mendelian recombination is

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  20. 1:2:1 phenotypic and genotypic ratios occur in case of

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