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WorksheetsMistakes during Meiosis
Total questions: 1
Worksheet time: 7mins
What is the purpose of meiotic division?
To double the number of chromosomes
To increase genetic variation
To halve the number of chromosomes
To create identical cells
When does non-disjunction most often occur?
Prophase
Anaphase
Telophase
Metaphase
What is the result of non-disjunction in meiosis?
Monosomy and Trisomy
Tetrasomy and Pentasomy
Haplosomy and Diplosomy
Triplosomy and Quadrosomy
What is the term used to describe an organism with an incorrect chromosome number?
Tetraploidy
Aneuploidy
Diploidy
Triploidy
Which phase of meiosis does non-disjunction occur in?
Telophase
Anaphase
Prophase
Metaphase
What syndrome is caused by an extra chromosome 21?
Edwards syndrome
Down syndrome
Klinefelter syndrome
Turner syndrome
What is the term for having an extra chromosome?
Tetrasomy
Pentasomy
Trisomy
Monosomy
What is the main cause of Down syndrome?
Deletion of chromosomes
Duplication of chromosomes
Crossing over in mitosis
Non-disjunction in meiosis
What is the correct chromosome number in a healthy human karyotype?
45
47
44
46
What is the term for a chromosomal mutation with too few chromosomes?
Pentasomy
Tetrasomy
Trisomy
Monosomy
