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

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

A

The alleles are dominant

B

One parent must have been homozygous recessive

C

The dominant phenotype parent was a heterozygote

D

The alleles segregated independently

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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. According to Mendel's law of segregation,

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

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

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

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

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

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

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  8. Diseases caused by pleiotropic genes are

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

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

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

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  12. If the P or parental generation was pure strain with green peas crosse...

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  13. In Mendel's crosses beginning with two pure strains of pea plants, one...

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  14. The allele for black hair colour (B) is dominant over the allele for w...

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  15. In Mendel's experiments, there are two alleles of the gene that causes...

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  16. When a pure strain of tall plants with round peas is crossed with a pu...

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  17. When a pure strain of tall plants with round peas is crossed with a pu...

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  18. When a pure strain of tall plants (T/T) with round peas (R/R) is cros...

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  19. When a pure strain of tall plants (T/T) with round peas (R/R) is cross...

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  20. In watermelon, the allele for green colour (G) is dominant over the al...

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