(C) dominant allele is defined as an allele that expresses its phenotype even in the presence of a recessive allele. Therefore,it is expressed in both

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It is expressed in both homozygous and heterozygous condition

(C) dominant allele is defined as an allele that expresses its phenotype even in the presence of a recessive allele. Therefore,it is expressed in both the homozygous condition (e.g.,$TT$) and the heterozygous condition (e.g.,$Tt$). Conventionally,dominant alleles are represented by capital letters,such as $T$ for tallness in pea plants or $R$ for round seeds.

Class 12 Biology Principles of Inheritance and Variation Mendelism

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An allele is said to be dominant if

AIPMT 1999 All AIPMT

A
It is expressed only in heterozygous combination
B
It is expressed only in homozygous combination
C
It is expressed in both homozygous and heterozygous condition
D
It is expressed only in second generation

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Principles of Inheritance and Variation

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Mendelism

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Substances known as 'heredity carriers' are

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An organism possessing two identical alleles for a particular trait is known as:

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Based on Mendel's monohybrid cross experiments,which of the following statements is $NOT$ true?

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Which of the following traits was $NOT$ considered by Mendel in his experiments on pea plants?

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Statement-$1$: Alleles are slightly different forms of the same gene.
Statement-$2$: The segregation of alleles is a random process and so there is $50$ percent chance of a gamete containing either allele.

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An allele is said to be dominant if

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Substances known as 'heredity carriers' are

An organism possessing two identical alleles for a particular trait is known as:

Based on Mendel's monohybrid cross experiments,which of the following statements is $NOT$ true?

Which of the following traits was $NOT$ considered by Mendel in his experiments on pea plants?

Statement-$1$: Alleles are slightly different forms of the same gene.Statement-$2$: The segregation of alleles is a random process and so there is $50$ percent chance of a gamete containing either allele.

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Statement-$1$: Alleles are slightly different forms of the same gene.
Statement-$2$: The segregation of alleles is a random process and so there is $50$ percent chance of a gamete containing either allele.