Podcast
Questions and Answers
What is the primary outcome of meiosis in terms of cell type produced?
What is the primary outcome of meiosis in terms of cell type produced?
- Two haploid daughter cells
- Two diploid daughter cells
- Four haploid daughter cells (correct)
- One diploid zygote
Which event occurs during meiosis that contributes to genetic variation?
Which event occurs during meiosis that contributes to genetic variation?
- Homologous chromosomes remain paired throughout
- Chromatid separation during anaphase II
- DNA replication in S phase only
- Crossing over between non-sister chromatids (correct)
How does meiosis differ from mitosis in terms of chromosome number?
How does meiosis differ from mitosis in terms of chromosome number?
- Mitosis decreases chromosome number by half
- Meiosis results in genetic identical cells
- Both processes result in diploid cells
- Meiosis reduces chromosome number by half (correct)
What is a tetrad and how is it formed in meiosis?
What is a tetrad and how is it formed in meiosis?
What mechanism ensures a random distribution of chromosomes during meiosis?
What mechanism ensures a random distribution of chromosomes during meiosis?
What is the term for an organism that has more than two complete sets of chromosomes?
What is the term for an organism that has more than two complete sets of chromosomes?
What is the formula to determine the number of possible alignments of homologous chromosomes in metaphase I for an organism with n chromosomes per set?
What is the formula to determine the number of possible alignments of homologous chromosomes in metaphase I for an organism with n chromosomes per set?
Which of the following correctly defines euploid organisms?
Which of the following correctly defines euploid organisms?
How many total chromosomes do humans possess?
How many total chromosomes do humans possess?
Which statement about chromosome variation is correct?
Which statement about chromosome variation is correct?
What does aneuploidy refer to?
What does aneuploidy refer to?
Which of the following accurately describes monosomy?
Which of the following accurately describes monosomy?
What is the consequence of nondisjunction during meiosis?
What is the consequence of nondisjunction during meiosis?
Which of the following conditions is specifically associated with trisomy 21?
Which of the following conditions is specifically associated with trisomy 21?
In terms of chromosomal sets, what does a triploid organism possess?
In terms of chromosomal sets, what does a triploid organism possess?
Flashcards
Meiosis
Meiosis
A process that produces haploid cells from a diploid cell, involving two rounds of cell division.
Sexual Reproduction
Sexual Reproduction
Reproduction requiring the union of two haploid gametes (sperm and egg) to create a diploid zygote.
Tetrad
Tetrad
The structure formed by the pairing of homologous chromosomes during meiosis.
Crossing Over
Crossing Over
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Genetic Variation
Genetic Variation
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Homologous Chromosomes
Homologous Chromosomes
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Crossing Over
Crossing Over
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Random Alignment (Meiosis)
Random Alignment (Meiosis)
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Euploidy
Euploidy
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Polyploidy
Polyploidy
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Aneuploidy
Aneuploidy
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Trisomy 21
Trisomy 21
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Down Syndrome
Down Syndrome
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Nondisjunction
Nondisjunction
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Polyploidy
Polyploidy
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