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In the cell depicted below, chromosome #1 contains 2 genes we can track: ruhroh (which has dominant [R] and recessive [r] alleles) and dangit (which has dominant [D] and recessive [d] alleles). Chromosome #2 does not contain genes we are able to track (and thus has no letter labelling). Follow the images of simulated meiosis II shown below and observe the crossing over event involving the portion of chromosome #1 that contains the dangit gene. Write the genotype of the parent cell and the genotypes of each of the four gametes. i. Parent cell: ii. Gamete 1: iv. Gamete 3: iii. Gamete 2: v. Gamete 4: Question 2. Parent Cell R d D

In the cell depicted below, chromosome #1 contains 2 genes we can track: ruhroh (which has dominant [R] and recessive [r] alleles) and dangit (which has dominant [D] and recessive [d] alleles). Chromosome #2 does not contain genes we are able to track (and thus has no letter labelling). Follow the images of simulated meiosis II shown below and observe the crossing over event involving the portion of chromosome #1 that contains the dangit gene. Write the genotype of the parent cell and the genotypes of each of the four gametes. i. Parent cell: ii. Gamete 1: iv. Gamete 3: iii. Gamete 2: v. Gamete 4: Question 2. Parent Cell R d D

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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**Educational Website Content:** --- **Understanding Meiosis II and Genetic Variability** In the diagram provided, we explore a genetic scenario involving meiosis II, focusing on chromosome behavior and allele distribution. Chromosome #1 contains two genes we can track: **ruhroh** and **dangit**. The **ruhroh** gene includes dominant [R] and recessive [r] alleles, while the **dangit** gene consists of dominant [D] and recessive [d] alleles. Chromosome #2 does not contain trackable genes and thus has no specific labeling. **Meiosis II Process:** The illustration below showcases a parent cell undergoing meiosis II, with a specific crossing over event involving chromosome #1 where the dangit gene is located. By observing this process, we can determine the genotypes of the parent cell and each resulting gamete. **Diagram Explanation:** - **Parent Cell:** Contains two homologous chromosome pairs. - First pair: One chromatid is labeled as [Rd], and the other as [rD]. - Second pair (chromosome #2): Unlabeled chromatids. **Tasks:** 1. **Parent Cell Genotype:** - Write the combination of alleles in the parent cell. 2. **Gametes Genotype:** - Deduce and write the possible allele combinations in each resulting gamete (1 to 4). Given this setup, we study genetic variation arising from meiosis, highlighting how crossing over can shuffle alleles and lead to diverse genetic outcomes in gametes. --- **Note:** Use the information above to fill in the genotypes based on the diagram. This educational exercise helps us understand genetic diversity and meiotic processes at a cellular level.
Transcribed Image Text:**Educational Website Content:** --- **Understanding Meiosis II and Genetic Variability** In the diagram provided, we explore a genetic scenario involving meiosis II, focusing on chromosome behavior and allele distribution. Chromosome #1 contains two genes we can track: **ruhroh** and **dangit**. The **ruhroh** gene includes dominant [R] and recessive [r] alleles, while the **dangit** gene consists of dominant [D] and recessive [d] alleles. Chromosome #2 does not contain trackable genes and thus has no specific labeling. **Meiosis II Process:** The illustration below showcases a parent cell undergoing meiosis II, with a specific crossing over event involving chromosome #1 where the dangit gene is located. By observing this process, we can determine the genotypes of the parent cell and each resulting gamete. **Diagram Explanation:** - **Parent Cell:** Contains two homologous chromosome pairs. - First pair: One chromatid is labeled as [Rd], and the other as [rD]. - Second pair (chromosome #2): Unlabeled chromatids. **Tasks:** 1. **Parent Cell Genotype:** - Write the combination of alleles in the parent cell. 2. **Gametes Genotype:** - Deduce and write the possible allele combinations in each resulting gamete (1 to 4). Given this setup, we study genetic variation arising from meiosis, highlighting how crossing over can shuffle alleles and lead to diverse genetic outcomes in gametes. --- **Note:** Use the information above to fill in the genotypes based on the diagram. This educational exercise helps us understand genetic diversity and meiotic processes at a cellular level.
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