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What Is a Gene?

Choose the co...

Question

Choose the correct answer from the alternatives given.

Genes which code for a pair of contrasting traits are known as _______________.

A

Dominant genes

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B

Alleles

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C

Linked genes

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D

None of these

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Solution

The correct option is C Alleles
Genes are the units of inheritance and contain the information that is required to express a particular trait in an organism. Alternating form of a single gene which code for a pair of contrasting traits are known as alleles, i.e., tall and dwarf are alleles determining the height of pea plant.

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Similar questions

Q. Genes which generally code for a pair of contrasting traits are known as _________ .

Q. Regarding the assertion and reason, select the correct option.

Assertion [A]: A pair of different and contrasting form of genes are known as alleles.
Reason [R]: Generally, a gene has two alleles.

Q. Choose the correct answer from the alternatives given.
Consider a cross in which a trait is inherited by incomplete dominance. What percentage of the

F_{2}

from the mating of homozygous dominant and homozygous recessive, What percent of individuals will possess the dominant phenotype ?

Q. Choose the correct answer from the alternatives given.
Consider a cross in which a trait is inherited by complete dominance. What percentage of the F2 from the mating of homozygous dominant and homozygous recessive individuals will possess the heterozygous genotype?

Q. Choose the correct answer from the alternatives given.
In tomatoes, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over dwarfness (t). A plant that is RrTT is crossed with a plant that is rrTt. What are the chances of an offspring being heterozygous for both traits?

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