When normal and mutant alleles are present on opposite chromosomes of homologous pair, heterozygotes

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4.Principles of Inheritance and Variation

normal

When normal and mutant alleles are present on opposite chromosomes of homologous pair, the heterozygotes are called as

$cis$ heterozygotes

$Homologous$ heterozygotes

$trans$ heterozygotes

None of the above

Solution

When a dominant gene and other recessive gene are present on opposite chromosomes of homologous pair, the heterozygotes are called as trans heterozygotes.

Standard 12

Biology

In a cross between white-flowered parents, $F_1$ progeny was uniformly purple-flowered. The $F_2$ progeny showed a phenotypic ratio $9 : 7$ between purple-flowered and white-flowered plants. The above result indicates that the flower colour is controlled by

normal

Coupling and repulsion are the two faces of

normal

The phenomenon of a single gene regulating several phenotypes is called

normal

Which pair of chromosomes is concerned with Down's syndrome

normal

(AIPMT-2002)

Distance between two linked genes upon a chromosome is measured in cross over units, is

normal

(AIIMS-1998)

When normal and mutant alleles are present on opposite chromosomes of homologous pair, the heterozygotes are called as

Solution

Similar Questions

In a cross between white-flowered parents, $F_1$ progeny was uniformly purple-flowered. The $F_2$ progeny showed a phenotypic ratio $9 : 7$ between purple-flowered and white-flowered plants. The above result indicates that the flower colour is controlled by

Coupling and repulsion are the two faces of

The phenomenon of a single gene regulating several phenotypes is called

Which pair of chromosomes is concerned with Down's syndrome

Distance between two linked genes upon a chromosome is measured in cross over units, is

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