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Mistakes such as nondisjunction can occur during meiosis. This is the result of chromosomes failing to separate equally during either anaphase. Therefore each resulting cell will not get an equal number of chromosomes. This can result in diseases such as Down syndrome (Trisomy 21, where there are 3 copies of the 21st chromosome present instead of the normal 2), or gender complications such as Klinefelter's (XXY) or Turner's (XO) syndromes.
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Occurs during prophase 1 of meiosis?
Mistakes such as nondisjunction can occur during meiosis. This is the result of chromosomes failing to separate equally during either anaphase.
If a child is born with down syndrome when did the mutation occur?
During meiosis
What changes in the chromosomes occur during meiosis?
waht changes in the chromosomes occur during meiosis
When a child has Trisomy when does the mutation occur?
during meiosis
When does replication occur during meiosis?
Interphase
Which does not occur during meiosis?
two diploid daughter cells occur
During which phase of meiosis does crossover occur?
prophase I
When do homologus chromosomes occur short answer please thankss?
Homologous chromosomes occur during meiosis. Meiosis reduces the chromosome number by half.
During meiosis how many replications occur?
DNA replicates once during meiosis. This is why the end result is four haploid cells.
During which process does crossing-over occur?
crossing over occurs in meiosis I, specifically during prophase
What events occur in telophase?
Telophase occur in both mitosis and meiosis. During telophase nuclear membrane and nuclei reforms and in meiosis it further goes for meiosis 2 which is same as mitosis
If child is born with trisomy when did the mutation occur?
during meiosis
