Multiple Choice
Once meiosis is complete in a diploid organism, what is the end result?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
In meiosis, what is synapsis?
A
The separation of sister chromatids during anaphase I
B
The pairing and physical association of homologous chromosomes during prophase I, forming bivalents (tetrads) via the synaptonemal complex
C
The replication of DNA to produce identical sister chromatids before meiosis begins
D
The random alignment of individual chromosomes at the metaphase plate during mitosis
Verified step by step guidance1
Understand that synapsis is a specific event that occurs during meiosis, particularly in prophase I.
Recall that meiosis involves homologous chromosomes pairing up to ensure proper segregation and genetic recombination.
Identify that synapsis refers to the pairing and physical association of homologous chromosomes, which is essential for crossing over.
Recognize that during synapsis, homologous chromosomes form structures called bivalents or tetrads, connected by a protein structure known as the synaptonemal complex.
Distinguish synapsis from other processes such as separation of sister chromatids, DNA replication, or random chromosome alignment, which occur at different stages or in mitosis.
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