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When looking at the inheritance of a sin...

When looking at the inheritance of a single characteristic, Mendel found that a cross between two true breeding peas (betwwen purple and white, for example) always yielded a …… in the `F_(2)` -generation.

A

1 : 1 phenotypic ratio

B

3 : 1 genotypeic ratio

C

1 : 2 : 1 phenotypic ratio

D

3 : 1 phenotypic ratio

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The correct Answer is:
D
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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. How did Mendel's studies in genetics differ from earlier studies of br...

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  2. A true breeding fruit fly would be ……. For a certain characteristic.

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  3. When looking at the inheritance of a single characteristic, Mendel fou...

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  4. Mendel made some crosses where he looked two characteristics at once r...

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  5. A brown mouse is mated with a white mouse. All of their offsprings are...

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  6. Suppose, you wanted to know the genotype of one of the brown F(2) mic...

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  7. Some dogs bark, while trailing, others are silent. The barker gene is ...

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  8. Two heterozygous tall pea plants with purple flowers are crossed. The ...

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  9. Which of the following illustrates pleiotrophy?

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  10. According to Mendel's law of segregation,

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  11. The F(2) -generation of a cross

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  12. A 1 : 1 phenotypic ratio in a test cross indicates that

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  13. Two true breeding varieties of garden peas are crossed. One parent had...

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  14. An interraction between non-allelic genes in which an allele at one lo...

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  15. If an animal's coat colour depends on two separate gene pairs, in whic...

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  16. When two or more non-allelic gene pairs affect the same character in t...

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  17. Diseases caused by pleiotropic genes are

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  18. One of the Mendel's pure strains of pea plants had green peas. How man...

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  19. One pure strain of pea plants developed by Mendel had yellow peas and ...

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  20. How many different kinds of female gametes are produced by the F(1) of...

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