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Which of the following is a test cross ?...

Which of the following is a test cross ?

A

B

C

D

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The correct Answer is:
D
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Identify which one of the following is a test cross. (i) Tt xx Tt (ii) TT xx tt (iii) Tt xx tt

Which of the following repesents a test cross?

Which of the given is not a test cross?

Test cross is

Which of the folloiwng statement/s about test cross is/are correct? I. Every test cross but not every back cross is a test cross. II. Every back cross is a test cross but not every test cross is a back cross. III. The ratio of a test cross is always 1:1. IV. A test cross can be considered as a type of reciprocal cross.

Which of the given test crosses will produce maximum possible phenotypes in offsprings?

What is the main purpose of a test cross ?

NCERT FINGERTIPS-PRINCIPLES OF INHERITANCE & VARIATION-Principles Of Inheritance & Variation
  1. To determie the genotype of a tall plant of F(2) generation, Mendel ...

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  2. Read the given statements and select the correct option Statement 1 ...

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  3. Which of the following is a test cross ?

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  4. Fruit shape in shephered purse (Capsella bursa) is of two types-triang...

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  5. Mendel formulated the law of of purity of gametes on the basis of

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  6. Read the given statements and select the correct option Statement 1 ...

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  7. The inheritance of flower colour in Antirrhinum (dog flower) is an exa...

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  8. In Antirrhinum (dog flower), phenotypic ratio in F(2) generation for t...

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  9. Phenotypic and genotypic ratio is similar in case of

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  10. If four o' clock plants, the gene for red flower colour (R) is inc...

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  11. Andalusian fowls have two pure forms - black and white. If black forms...

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  12. Complete the given table showing different possililities of genotypes ...

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  13. ABO blood groups in human beings are controlled by the gene I. The gen...

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  14. What can be the blood group of offspring when both parents have AB blo...

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  15. A child has blood groups 'O'. If father has blood group 'A' and mother...

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  16. Inheritance of roan coat in cattle is an example of

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  17. A cow with red coat is crossed with a bull having white coat. Their of...

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  18. ABO blood grouping in human beings cites the example of

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  19. In mice Y is the dominant allele for yellow fur and y is the recessive...

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  20. In Mendelian dihybrid cross, when heterozygous Round Yellow are self ...

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