Nondisjunction can happen in:Group of answer choicesDNA replicationMeiosisMitosisTranscriptionTranslation
Question
Nondisjunction can happen in:Group of answer choicesDNA replicationMeiosisMitosisTranscriptionTranslation
Solution
Nondisjunction can occur in both Meiosis and Mitosis.
In Meiosis, nondisjunction can occur in either the first or second division. It results in gametes that either have extra chromosomes or are missing chromosomes. When these gametes are involved in fertilization, the resulting offspring will have a chromosomal abnormality, such as Down syndrome.
In Mitosis, nondisjunction results in daughter cells with abnormal chromosome numbers. This is often seen in cancer cells.
Nondisjunction does not occur in DNA replication, transcription, or translation. These processes involve the replication of DNA and the synthesis of proteins, not the separation of chromosomes.
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