Quick 10Q: Meiosis

Front

What is the result of meiosis?

Back

4 haploid unique cells

Front

When does crossing over occur?

Back

Prophase I

Front

When does independent assortment occur?

Back

Metaphase I

Front

During meiosis I, which are paired, aligned, and separated?

Back

homologous chromosomes

Front

During meiosis II, which of the following are paired, aligned, and separated?

Back

sister chromatids

Front

How does mitosis and meiosis differ?

Back

Mitosis has 1 round of replication and 1 round of division while meiosis has 1 round of replication and 2 rounds of division.

Front

At the end of telophase I, the resulting daughter cells are?

Back

haploid

Front

Which of the following resulted from nondisjunction?
Options: Three copies of chromosome 21, Three copies of all chromosomes, Two copies of all chromosomes, Two copies of chromosome 21

Back

Three copies of chromosome 21

Front

How can one determine that a case of nondisjunction occurred when observing a karyotype?

Back

There is only one of an autosomal chromosome

Front

What happens to the additional X chromosome found in female cells?

Back

The extra X chromosome is deactivated and stored as Barr body