Meiosis & Mitosis Review - Quizs

During which phase of mitosis do the chromosomes align in the center of the cell?

• Prophase

• Metaphase

2n = 10. What is the diploid number for this organism?

• 10

• 20

What is the primary purpose of meiosis in sexual reproduction?

• To increase the number of chromosomes

• To reduce the chromosome number by half

Which row in the chart above indicates the correct process for each event indicated?

• Row 4

• Row 3

In which type of cell division does crossing over occur?

• Mitosis

• Meiosis

What structure do spindle fibers attach to during mitosis?

• Centriole

• Centromere

What is the result of the fertilization of an egg?

• It restores the diploid number of chromosomes

• It gives offspring more chromosomes than the parents

Which of the following statements is true?

• Disadvantages to asexual reproduction are that it is fast and you don’t have to find a partner

• An advantage of sexual reproduction is that it allows offspring to be different from their parents allowing for genetic diversity

Is the zygote a diploid or haploid cell?

• Diploid

• Haploid

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

• Metaphase I

• Prophase I

• Telophase I