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A 1 : 1 phenotypic ratio in a test cross...

A 1 : 1 phenotypic ratio in a test cross indicated that

A

The alleles are dominant

B

One parent must have been homoxygous recessive

C

The dominant phenotype parent was a heteroxygote

D

The alleles are codominant

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The correct Answer is:
C
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ARIHANT NEET-MENDELIAN BASIS OF INHERITANCE -Chapter Exercise A Taking it together (Assorted Questions of the Chapter for Advanced Level Practice )
  1. Mendel's law of independent assortment holds good for genes situated...

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  2. In the F(2) generation a Mendelian dihybrid cross the number of phenot...

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  3. A 1 : 1 phenotypic ratio in a test cross indicated that

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  4. Which phase of meiosis is most directly related to the law of independ...

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  5. You think that two alleles for coat colour in mice show incomplete dom...

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  6. It is said that Mendel proposed that the factor controlling any charac...

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  7. Normal maize has starchly seeds which remain smooth when dry. A mutant...

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  8. Choose the incorrect pair regarding the dominant characters in given o...

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  9. Mendel investigated characters in the garden pea plant that were manif...

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  10. Mendel conducted his experiments using several pea lines, which ewere

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  11. Which of the following is incorrect contrasitng trait studied by Mende...

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  12. which of the following statements is correct, when we use alphabetical...

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  13. which of the following statements is/are correct for Mendel's law of d...

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  14. The law of dominance is used to explain

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  15. Which of the following statements is correct for Mendel's law of indep...

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  16. The crossing of a homoxygous tall plant with a dwarf in F(2) would y...

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  17. Mendel crossed a pure white -flowered recessive pea plant with a domi...

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  18. If a cross is made between AA and aa, the nature of F(1) progeny will ...

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  19. In wheat, when a green plant was self-fertilised, the progeny had 209 ...

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  20. The genotypes of a plant variety were TtHh, Tthh, ttHhand tthh, were T...

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