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 Which of the following is true of autosomal dominant inheritance?

Option: 1

The trait is always expressed in heterozygous individuals


Option: 2

The trait is only expressed in homozygous individuals


Option: 3

The trait is equally likely to be expressed in males and females


Option: 4

The trait skips generations


Answers (1)

best_answer

Autosomal inheritance refers to the inheritance of genes located on the autosomal chromosomes. Autosomal traits can be dominant or recessive, and their expression depends on the presence or absence of the mutant allele. Autosomal dominant traits are expressed in individuals who inherit even a single copy of the mutant allele, while autosomal recessive traits are expressed only in individuals who inherit two copies of the mutant allele. Autosomal inheritance refers to the inheritance of genes located on the autosomal chromosomes. These chromosomes are non-sex chromosomes and contain genes that code for traits that are equally likely to be expressed in males and females. Therefore, autosomal inheritance does not depend on the sex of the individual and the expression of the trait is equally likely in both males and females. Hence option 3 is the correct answer.

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Divya Prakash Singh

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