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In pea plants, the dominant allele for flower color is yellow (Y), and the recessive allele is white (y). If a homozygous dominant (YY) yellow-flowered plant is crossed with a heterozygous (Yy) yellow flowered plant what will be the possible genotypes and phenotypes of the offspring? Possible genotypes: Possible phenotypes:

In pea plants, the dominant allele for flower color is yellow (Y), and the recessive allele is white (y). If a homozygous dominant (YY) yellow-flowered plant is crossed with a heterozygous (Yy) yellow flowered plant what will be the possible genotypes and phenotypes of the offspring? Possible genotypes: Possible phenotypes:

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
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Certainly! Here is a transcription and explanation suitable for an educational website: --- **Pea Plant Genetics: Understanding Flower Color Inheritance** **Question:** In pea plants, the dominant allele for flower color is yellow (Y), and the recessive allele is white (y). If a homozygous dominant (YY) yellow-flowered plant is crossed with a heterozygous (Yy) yellow-flowered plant, what will be the possible genotypes and phenotypes of the offspring? **Diagram Explanation:** The image includes a 2x2 Punnett square, which is a tool used to predict the genetic variations that will result from a cross. The alleles from one parent are listed along the top, and the alleles from the other parent are listed along the side. The Punnett square helps to visualize how different allele combinations can occur from the parental alleles. **Expected Combinations:** - The top row represents the alleles from the homozygous dominant (YY) parent. - The side column represents the alleles from the heterozygous (Yy) parent. - Possible allele combinations in the Punnett square are: - YY - Yy - YY - Yy **Possible Genotypes:** The offspring can have the following genotypes: - YY (homozygous dominant) - Yy (heterozygous) **Possible Phenotypes:** Since the yellow allele (Y) is dominant, all offspring will display the yellow phenotype regardless of whether they are YY or Yy. By analyzing the Punnett square, students can explore how dominant and recessive alleles influence the traits expressed in offspring, gaining a deeper understanding of basic genetic principles.
Transcribed Image Text:Certainly! Here is a transcription and explanation suitable for an educational website: --- **Pea Plant Genetics: Understanding Flower Color Inheritance** **Question:** In pea plants, the dominant allele for flower color is yellow (Y), and the recessive allele is white (y). If a homozygous dominant (YY) yellow-flowered plant is crossed with a heterozygous (Yy) yellow-flowered plant, what will be the possible genotypes and phenotypes of the offspring? **Diagram Explanation:** The image includes a 2x2 Punnett square, which is a tool used to predict the genetic variations that will result from a cross. The alleles from one parent are listed along the top, and the alleles from the other parent are listed along the side. The Punnett square helps to visualize how different allele combinations can occur from the parental alleles. **Expected Combinations:** - The top row represents the alleles from the homozygous dominant (YY) parent. - The side column represents the alleles from the heterozygous (Yy) parent. - Possible allele combinations in the Punnett square are: - YY - Yy - YY - Yy **Possible Genotypes:** The offspring can have the following genotypes: - YY (homozygous dominant) - Yy (heterozygous) **Possible Phenotypes:** Since the yellow allele (Y) is dominant, all offspring will display the yellow phenotype regardless of whether they are YY or Yy. By analyzing the Punnett square, students can explore how dominant and recessive alleles influence the traits expressed in offspring, gaining a deeper understanding of basic genetic principles.
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