A scientist is dissecting a female fetal pig and takes a tissue sample from its ovaries. The scientist places the tissue sample on a slide and examines the eggs in the ovarian tissue. At what stage in the cell cycle are these germ cells?

Assume that oogenesis in the fetal pig is the same as in a human.

Which of the following best represents a difference between mitosis and meiosis?

Which of the following statements is true concerning meiosis?

Crossing over is an event that contributes to the non-identical nature of gametes. Which of the following is true regarding crossing over?

I. It occurs during prophase I

II. It involves exchange of genetic material between sister chromatids

III. It involves exchange of genetic material between homologous chromosomes

In vertebrates, sperm cells typically contribute which of the following a new organism?

Which of the following is not a difference between mitosis and meiosis?

How many chromosomes does a human germ cell contain during metaphase I and telophase II, respectively?

Cells containing only one homologue of each chromosome would be produced following which of the following processes?

Independent assortment of traits on different chromosomes is due to the random alignment of different pairs of homologues. This alignment occurs during which of the given phases?

Which of the following is true regarding meiosis I and meiosis II?