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it occurs when the chromosomes during meiosis do not separate correctly and then it results in a gamete or egg cell too have too few or too many chromosomes. This can lead to different diseases.

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12y ago
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10y ago

D) all of the above

(autosomes, homologous chromosomes, sex chromosomes.)

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Q: What does a nondisjunction involve?
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The faillure of chromosomes to separate during meiosis is called?

Its called disconjunction. Sometimes it is so bad that they have a miscarriage or the following happens:Trisomy (extra chromosomeso have 47 chromosomes instead of 46)Down's syndrome (andextra number 21 chromosome)Klinefelter's syndrome (males with an extra X chromosome...XXY)


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

Nondisjunction


Is colon cancer nondisjunction?

no


Is fragile x syndrome a result of nondisjunction during meiosis?

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


What is nondisjunction in chromosomes and what is the result?

Nondisjunction is the addition or deletion of an entire chromosome. The result could be autism or downs syndrome


What is nondisjunction and why is it harmful?

Nondisjunction is the failure of a homolog to separate during meiosis causing trisomy (an extra chromosome) or monosomy (a missing chromosome), it can be harmful because it is a mutation that can cause many devastating disease, for example nondisjunction of the 21st chromosome causes down syndrome, another example of nondisjunction being harmful, is nondisjunction of the sex chromosomes, causing Turner's or Klinefelter's syndrome two very devastating diseases.


Where can one find more information about nondisjunction?

One can find more information about nondisjunction on Wikipedia or Biology Online. Both of these website have lots of information. One can see diagrams relating to nondisjunction on Google Images.


Nondisjunction can alter the number of chromosome as well as autosomes?

Nondisjunction is a very bad thing and cells and can lead to lying of the cell.


What is the significance of crossing over and nondisjunction?

The significance of crossing over and nondisjunction is that it increases biodiversity. This is important for the environment and food chains.


The genotype xo results from what?

Nondisjunction.


What is the failure of chromosome pairs to separate properly during meiosis?

Nondisjunction


Is color blindness a nondisjunction mutation?

YES