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In the diagram below, white represents maternal information and black represents paternal information. This stage is

In the diagram below, white represents maternal information and black represents paternal information. This stage is

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Analysis of Chromosomal Stages and Structures** **Chromosomal Diagram:** In the diagram, the white sections represent maternal genetic information, while the black sections indicate paternal genetic information. The illustration shows homologous chromosomes which are arranged in pairs. **Question 1: Chromosomal Stage** The diagram presents four chromosomes aligned in pairs, suggesting a particular stage of cell division. Based on the visual arrangement: - Options: - Mitosis - Meiosis 1 - Meiosis 2 **Question 2: Origin of Spindle Growth** The spindle fibers are crucial during cell division for chromosome movement and separation. - Options: - Centriole - Kinetochore - Centromere **Question 3: Attachment of Sister Chromatids** Sister chromatids are the identical copies formed by the DNA replication of a chromosome, attached at a specific region. - Options: - Kinetochore - Centromere - Centriole **Diagram Details:** The diagram consists of two pairs of chromosomes. Each chromosome has segments labeled "A", "C", "D", "P". These labels may represent specific gene loci, and each pair of homologous chromosomes shows distinctive alignment suggestive of the crossing over event typical in meiosis stages. This educational content aids in understanding cell division stages, spindle origin, and chromatid attachment, enhancing comprehension of fundamental genetic processes.
Transcribed Image Text:**Analysis of Chromosomal Stages and Structures** **Chromosomal Diagram:** In the diagram, the white sections represent maternal genetic information, while the black sections indicate paternal genetic information. The illustration shows homologous chromosomes which are arranged in pairs. **Question 1: Chromosomal Stage** The diagram presents four chromosomes aligned in pairs, suggesting a particular stage of cell division. Based on the visual arrangement: - Options: - Mitosis - Meiosis 1 - Meiosis 2 **Question 2: Origin of Spindle Growth** The spindle fibers are crucial during cell division for chromosome movement and separation. - Options: - Centriole - Kinetochore - Centromere **Question 3: Attachment of Sister Chromatids** Sister chromatids are the identical copies formed by the DNA replication of a chromosome, attached at a specific region. - Options: - Kinetochore - Centromere - Centriole **Diagram Details:** The diagram consists of two pairs of chromosomes. Each chromosome has segments labeled "A", "C", "D", "P". These labels may represent specific gene loci, and each pair of homologous chromosomes shows distinctive alignment suggestive of the crossing over event typical in meiosis stages. This educational content aids in understanding cell division stages, spindle origin, and chromatid attachment, enhancing comprehension of fundamental genetic processes.
**Question 1:** Humans have 23 pairs of chromosomes. How many sisters will they have at metaphase of mitosis? - ☐ 92 - ☐ 2 - ☐ 46 - ☐ 23 **Question 2:** Humans have 23 pairs of chromosomes. How many sisters will they have at metaphase of meiosis 2? - ☐ 92 - ☐ 23 - ☐ 46 - ☐ 2 **Question 3:** This checkpoint makes sure that the DNA has replicated properly before mitosis can start. - ☐ S phase - ☐ G2 - ☐ Metaphase - ☐ G1
Transcribed Image Text:**Question 1:** Humans have 23 pairs of chromosomes. How many sisters will they have at metaphase of mitosis? - ☐ 92 - ☐ 2 - ☐ 46 - ☐ 23 **Question 2:** Humans have 23 pairs of chromosomes. How many sisters will they have at metaphase of meiosis 2? - ☐ 92 - ☐ 23 - ☐ 46 - ☐ 2 **Question 3:** This checkpoint makes sure that the DNA has replicated properly before mitosis can start. - ☐ S phase - ☐ G2 - ☐ Metaphase - ☐ G1
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