Answered: What are the 3 types of genetic…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations

Section: Chapter Questions

Problem 13QP: As a physician, you deliver a baby with protruding heels and clenched fists with the second and...

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What are the 3 types of genetic disorders?

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Step 1

Genetics is a branch of biology that deals with genes, heredity, and variation. Heredity purely takes place due to linkage and on another side crossing over responsible for the variation. Genes are a very important part of every organism. Because it contains all information of heredity as well as all proteins which are formed inside the organism.

Step 2

In human 46 chromosomes are present where 22 pairs are autosomes and 1 pair of sex chromosomes. Sex chromosomes are X and Y chromosomes that pass from parents to offspring. The sex-linked disease is those where sex chromosome has some defect and pass to generation and that generates disease.

Step 3

The three types of genetic disorders:

Complex disorders: In this disorder, the mutation occurs in two or more genes.
Chromosomal disorders: It is a disorder where part of the chromosome changed or missing. For example Down syndrome.
Single-gene disorders: When a mutation occurs in a single gene that causes disease. For example sickle cell anemia.

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