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It is the failure of chromosome pairs to separate properly during cell division.

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Is fragile x syndrome a result of nondisjunction during meiosis?

yes . it is . nondisjunction is takes place during meiosis.


What happens if nondisjunction occurs during meiosis you?

If nondisjunction occurs during meiosis, it results in the improper separation of chromosomes, leading to gametes with an abnormal number of chromosomes. When these gametes fuse during fertilization, the resulting zygote may have an extra chromosome (trisomy) or a missing chromosome (monosomy). This can lead to genetic disorders, such as Down syndrome, which is caused by an extra copy of chromosome 21. Nondisjunction can occur in either meiosis I or meiosis II, with differing impacts on the resulting gametes.


What happens if nondisjunction occurs during meiosos?

If nondisjunction occurs during meiosis the result could be a wide range of mutations. Most likely it would result in mosaicism meaning there will be a mixture of affected cells and non affected cells.


Where does nondisjunction occur in the process of cell division?

Nondisjunction occurs during the separation of chromosomes in either meiosis or mitosis, leading to an abnormal number of chromosomes in the resulting cells.


What process does non disjunction occur in?

Nondisjunction occurs during anaphase, usually when referring to meiosis, when a tetrad fails to separate.


What occurs during nondijunction?

What occurs during nondisjunction


Where in the process of meiosis does nondisjunction occur?

Nondisjunction can occur during the separation of chromosomes in meiosis, specifically during the anaphase stage. This can lead to an abnormal number of chromosomes in the resulting gametes.


Occurs when homologous chromosomes do not separate in meiosis?

Nondisjunction is the term used for when homologous chromosomes fail to separate during meiosis, resulting in an abnormal number of chromosomes in the resulting gametes. This can lead to genetic disorders in offspring due to an incorrect number of chromosomes.


What is it called when chromosomes don't separate correctly during meiosis?

This is known as nondisjunction. It is a mistake that can occur during cell division in meiosis, leading to an incorrect distribution of chromosomes in the resulting gametes.


What happens during meiosis that ultimately results in a defect characterized by the deletion of chromosomes?

Nondisjunction occurs in too many cells or too few cells causing defects


Nondisjunction occurs when?

Nondisjunction occurs when chromosomes fail to separate properly during cell division, resulting in an abnormal number of chromosomes in the daughter cells. This can lead to genetic disorders like Down syndrome, Turner syndrome, and Klinefelter syndrome.


What is a failure of homologous chromosomes to separate in meiosis?

A failure of homologous chromosomes to separate in meiosis is called nondisjunction. This can result in cells with an abnormal number of chromosomes, leading to genetic disorders such as Down syndrome. Nondisjunction can occur during either the first or second division of meiosis.