(D) An organism is said to be $Homozygous$ for a trait when it carries two identical alleles for that specific gene (e.g., $TT$ or $tt$).In contrast,

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(D) An organism is said to be $Homozygous$ for a trait when it carries two identical alleles for that specific gene (e.g., $TT$ or $tt$).In contrast, an organism is $Heterozygous$ if it carries two different alleles for a gene (e.g., $Tt$).Therefore, the correct term for an organism with two identical alleles is $Homozygous$.

Class 12 Biology Principles of Inheritance and Variation Mendelism

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

AIPMT 1992 All AIPMT

A
Dominant
B
Hybrid
C
Heterozygous
D
Homozygous

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Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Mendelism

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AIPMT 1992 Paper All AIPMT years →

Define the term: Homozygous.

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An inherited factor that determines a biological characteristic of an organism is called

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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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In the case of $PTC$ tasters and non-tasters in humans,$T$ represents the dominant allele and $t$ represents the recessive allele. Which of the following genotypes is unable to taste $PTC$?

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An allele is a/an:

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

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Define the term: Homozygous.

An inherited factor that determines a biological characteristic of an organism is called

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.

In the case of $PTC$ tasters and non-tasters in humans,$T$ represents the dominant allele and $t$ represents the recessive allele. Which of the following genotypes is unable to taste $PTC$?

An allele is a/an:

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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.