A cell in prophase 2 of meiosis has 12 chromosomes. Given this information, answer the following questions. how many chromosomes are present in the cell during prophase 1 of mitosis? And, how many chromosomes are present during prophase 1 of meiosis?

A cell in prophase 2 of meiosis has 12 chromosomes. Given this information, answer the following questions. how many chromosomes are present in the cell during prophase 1 of mitosis? And, how many chromosomes are present during prophase 1 of meiosis?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter2: Cells And Cell Division

Section: Chapter Questions

Problem 22QP: Match the phase of cell division with the following diagrams. In these cells, 2n = 4. a. anaphase of...

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Concept explainers

Oogenesis

The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.

Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:

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During which phases of the mitotic cycle would the terms chromosome and chromatid refer to identical structures?
List the differences between mitosis and meiosis in the following chart:
Separation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophase
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A cell in prophase II of meiosis contains 12 chromosomes. How many chromosomes would be present in a cell from the same organism if it were in prophase of mitosis? Prophase I of meiosis?
A simple diagram indicating the alterations in genetic content throughout mitosis is shown in the attached picture. Please prepare a similar diagram for meiosis, starting with a diploid cell in G1 (like the picture). Include all of the cells generated at each stage.
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Every somatic cell in a human contains 23 pairs of chromosomes. Pairs 1 to 22 are autosomes, while pair 23 are the sex chromosomes. The pairs are described as homologous chromosomes. Answer the following questions about homologous chromosomes: Where do the chromosomes that make up each pair come from? Explain how the terms homologous chromosomes and sister chromatids are different. In genetic males, there is one pair that is not homologous. Identify the pair and explain why.