Test - Mitosis & Meiosis

Front

Regions of the chromosomes where nonsister chromatids cross over are called ________

Back

Chiasmata

Front

Which of the following represents a mismatch or incorrect description: Prophase: chromosomes become more tightly coiled, Metaphase: the nuclear envelope disappear, Anaphase: there is movement of the chromosomes to the poles, Telophase: chromosomes become more extended?

Back

Metaphase: the nuclear envelope disappear

Front

Which of the following occurs during anaphase II? Sister chromatids separate and migrate towards opposite poles, Homologs separate and migrate towards opposite poles, The synaptonemal complex disappears, Chromosomes line up on one plate?

Back

Sister chromatids separate and migrate towards opposite poles

Front

Identify the meiotic phase: Each chromosome pairs with its homolog and crossing over occurs. Prophase I, Prophase II, Metaphase I, Metaphase II?

Back

Prophase I

Front

It is the differences in physical traits and genetic makeup.

Back

Variation

Front

What is the process of cell division that results in two identical daughter cells?

Back

Mitosis

Front

What is the term for the exchange of genetic material between homologous chromosomes during meiosis?

Back

Crossing over

Front

What phase of meiosis is characterized by the alignment of homologous chromosomes at the equatorial plate?

Back

Metaphase I

Front

What is the main purpose of meiosis in sexually reproducing organisms?

Back

To produce gametes with half the number of chromosomes (haploid).

Front

What are the two main stages of meiosis?

Back

Meiosis I and Meiosis II