Introduction to Heredity and Meiosis

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Flashcards covering key concepts from the lecture on heredity and meiosis.

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12 Terms

1
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What is heredity?

Heredity is the transmission of traits from one generation to the next.

2
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What process results in the reduction of chromosome number in cells?

Meiosis, which involves two cell divisions leading to haploid cells.

3
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What are gametes?

Gametes are reproductive cells that transmit genes from one generation to the next.

4
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What is the result of asexual reproduction?

Asexual reproduction produces offspring that are genetically identical to the parent.

5
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What is synapsis during meiosis?

Synapsis is the pairing of homologous chromosomes during prophase I of meiosis.

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What happens during crossing over?

Crossing over involves exchanges between non-sister chromatids within a tetrad, resulting in new combinations of genes.

7
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What is the significance of crossing over?

Crossing over is an important source of genetic diversity.

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What occurs during Anaphase I of meiosis?

Homologous chromosomes separate, while sister chromatids remain connected.

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What is the outcome of meiosis II?

Meiosis II results in the separation of sister chromatids into daughter cells.

10
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What are the stages of meiosis I?

The stages include Prophase I, Metaphase I, Anaphase I, and Telophase I.

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What is disjunction in meiosis?

Disjunction is the process by which homologous chromosomes are separated during Anaphase I.

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What is interkinesis?

Interkinesis is the time between the first and second meiotic divisions, typically a short interphase-like stage.