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

Which of the following is a test cross?

A

Tt x tt

B

TT x tT

C

Tt x Tt

D

tt x tt

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The correct Answer is:
A
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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

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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.

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ARIHANT NEET-MENDELIAN BASIS OF INHERITANCE -Chapter Exercise C Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)
  1. Cross between unrelated group of organisms is called

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  2. In pigs, white coat (W) is dominant to black (w). Two white pigs are b...

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  3. A dihybrid test cross-yeilding a result of 1 : 1 : 1 : 1 ratio is indi...

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  4. A condition where a certain gene is present in only a single copy in a...

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  5. The phenomenon of a single gene regulating several phenotypes is calle...

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  6. Which of the following genes show the heterozygous condition?

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  7. When a dihybrid cross is fit into a Punnett square with 16 boxes, the ...

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  8. A human male produces sperms with the genotypes AB, Ab, aB, and ab per...

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  9. In pea plants, yellow seeds are dominant to green. If a heterozygous y...

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  10. 1:2:1 phenotypic and genotypic ratio is found in

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  11. Which of the following is a test cross?

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  12. Genotypic ratio of a monohybrid cross is

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  13. A pure tall and a pure dwarf plant were crossed to produce offsprings....

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  14. If Aabb x aaBB, then phenotypic ratio of its progeny (F(2) -generati...

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  15. Rrrr progeny : Red (dominant) flowered heteroxygous crossed with white...

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  16. A tall pea plant was grown in nutrient deficient soil and remained dwa...

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  17. Sometimes, there are more than two alleles for a given chromosome locu...

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  18. Genes when present in homozygous condition results in non-viable proge...

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  19. In order to find out the different types of gametes produced by a pea...

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  20. The process that involves intergenic supperssion or the masking effect...

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