Exam 12: Meiosis and Sexual Reproduction

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​ -Following this phase, each individual cell is haploid.

Crossing over is one of the most important events in meiosis because​

The essence of meiosis is that

Pairs of maternal and paternal chromosomes line up between the two spindle poles during

With sexual reproduction, two genes for the same trait that are slightly different are called __________.

Homologous chromosomes become attached to either ____ in prophase I.

Crossing over is facilitated by a ____ orientation between homologous chromosomes.

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​ -During this stage, the sister chromatids begin to separate.

Chromatids are​

During ____, microtubules fasten the cell's chromosomes to the spindle poles.

With __________, offspring inherit the same number and kinds of genes from one parent.

Which action is unable to produce variation?

Some of the stages of meiosis are listed below. For the following statements, select the best choice of these stages.​ -Pairing of homologues occurs during this stage.

Gamete formation is

Match the term to the correct description.​ -Spindle microtubules attach the two chromosomes of each pair to opposite spindle poles.

Many of the molecules that actively maintain the integrity of a cell's chromosomes, particularly during DNA replication and mitosis, are involved in crossing over during ____ of meiosis.

Which of the following is TRUE of asexual reproduction?

During meiosis II, ____.

Figure 12.3 -Which letter(s) in the accompanying figure represents the anther?

Figure 12.3 -Which letter(s) in the accompanying figure represents the ovaries, where meiosis in diploid germ cells gives rise to eggs?