Which of the following can you see from a karyotype? 1. Chromosomes as they appear in metaphase of meiosis II. 2. Changes in chromosome number. 3. Points of crossing over between homologs. 4. The presence of specific genes.

Which of the following can you see from a karyotype? 1. Chromosomes as they appear in metaphase of meiosis II. 2. Changes in chromosome number. 3. Points of crossing over between homologs. 4. The presence of specific genes.

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter20: Chromosomes And Human Genetics

Section: Chapter Questions

Problem 6SQ: Nondisjunction can be caused by ________. a. crossing over in meiosis b. segregation in meiosis c....

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

Which of the following can you see from a karyotype?

1. Chromosomes as they appear in metaphase of meiosis II.

2. Changes in chromosome number.

3. Points of crossing over between homologs.

4. The presence of specific genes.

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