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The characters which appear in the first...

The characters which appear in the first filial generation are called

A

recessive characters

B

dominant characters

C

holandric characters

D

lethal characters

Text Solution

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The correct Answer is:
B

In heterozygous individuals or hybrids, out of the two factor or alleles representing the alternate traits of a character, one is dominant and expresses itself in the brid or `F_(1)` generation. The other factor or allele is recessive and does not show its effect in the heterozygous individual (Principal of dominance)
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NCERT FINGERTIPS-PRINCIPLES OF INHERITANCE & VARIATION-Principles Of Inheritance & Variation
  1. Genes which code for a pair of contrasting traits are known as

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  2. A recessive allele is expressed in

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  3. The characters which appear in the first filial generation are called

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  4. What will be the distribution of phenotypic features in the first gene...

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  5. In a monohybrid cross between two heterozygous individuals, percentage...

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  6. On crossing two heterozygous tall plants (Tt), a total of 500 plants w...

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  7. In mice, black coat colour (allele B) is dominant to brown coat colour...

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  8. In fruits flies, long wing is dominant to vestigial wing. When heteroz...

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  9. What is the probility of production of dwarf offsprings in a cross bet...

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  10. A tobacco plant heterozygous for recessive character is self-pollinate...

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  11. Which of the following crosses will give tall and dwarf pea plants in ...

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  12. To determie the genotype of a tall plant of F(2) generation, Mendel ...

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

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  14. Which of the following is a test cross ?

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

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

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

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

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

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  20. Phenotypic and genotypic ratio is similar in case of

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