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Meiosis and Gamete Formation

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Questions and Answers

What is the main purpose of meiosis in cells?

To produce somatic cells

To produce diploid cells

To produce sperm and egg cells (correct)

To repair DNA damage

What occurs during the synapsis stage of meiosis?

Sister chromatids are formed

DNA replication occurs

Homologous chromosomes come together and form crossovers (correct)

Homologous chromosomes separate

What is the result of crossing over in meiosis?

Chromosomes are lost

New combinations of genes are produced in the chromosomes (correct)

Sister chromatids are separated

Chromosomes become identical to those in the mother and father

What is the ploidy of the cells produced by meiosis?

Haploid Signup and view all the answers

What is the purpose of fertilization in the context of meiosis?

To produce diploid cells Signup and view all the answers

What is the stage of the cell cycle immediately before meiosis I?

S phase Signup and view all the answers

What is the term used to describe the paired chromosomes during synapsis?

Tetrads Signup and view all the answers

During which stage of meiosis does recombination or crossing over occur?

Prophase I Signup and view all the answers

How many haploid cells are produced at the end of meiosis?

Four Signup and view all the answers

What is the main difference between meiosis and mitosis?

All of the above Signup and view all the answers

How long does prophase I normally last in human spermatogenesis?

3 weeks Signup and view all the answers

What is the outcome of mitosis in terms of genetic diversity?

Genetically identical cells Signup and view all the answers