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Which statements about a test cross is...

Which statements about a test cross is not true?

A

It tests whether an unknown individual is homozygous or heterozygous

B

The test individual is crossed with a homozygous recessive individual

C

If the test individual is heterozygous, the progeny will have a `1 : 1` ratio

D

If the test individual is homozygous, the progeny will have a `1 : 1` ratio

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The correct Answer is:
D
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GRB PUBLICATION-MENDELIAN INHERITANCE-Multiple Choice Questions
  1. Which of the following pairs on hybridization produces 1 :1 phenot...

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  2. Heterozygosity of F(1) hydrids can be determined by :

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  3. Which statements about a test cross is not true?

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  4. A cross between "F"(1) hybrid and a recessive parent gives a ratio of:

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  5. Phenotypic ratio of monohybrid test cross is:

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  6. A cross in which an organism showing a dominant phentype is crossed wi...

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  7. Heterozygous purple flower is crossed with recessive white flower. The...

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  8. Heterozygous tall plant (Tt) is crossed with homozygous dwarf (tt) pla...

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  9. To determine heterozygosity or homozygosity a plant must be crossed wi...

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  10. Test cross is a cross between:

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  11. Tt mates with tt. What will be characteristic of offsprings?

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  12. When heterozygous red (dominant) flower is crossed with white flower t...

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  13. Mating of an organism to a double recessive in order to determine whet...

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  14. Test cross involves:

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  15. When tall and dwarf plants are crossed, from which cross 1 : 1 ratio i...

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  16. Mendel's second law is:

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  17. Mendel's law of independent assortant can be domostrated by:

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  18. A cross between two pairs of alleles is called:

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  19. A cross between plants having RRYY and rryy compasition will yield pla...

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  20. Organism heterozygous for two genes shall be:

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