Crossing between round, green seeded pea plant (RRyy) and wrinkled, yellow seeded pea plant (rrYY)

When a round, green seeded pea plant (RRyy) is crossed with a wrinkled, yellow seeded pea plant (rrYY), the resulting offspring will be in the F1 generation. In order to determine the characteristics of the F1 generation, we need to understand the principles of Mendelian genetics and the laws of inheritance.

Mendelian Genetics and the Laws of Inheritance

Mendelian genetics is based on the principles of inheritance proposed by Gregor Mendel, an Austrian monk and scientist. He conducted extensive experiments on pea plants and observed the transmission of traits from one generation to the next.

Mendel's laws of inheritance include the law of segregation and the law of independent assortment. The law of segregation states that during the formation of gametes, the two alleles for each gene segregate from each other so that each gamete carries only one allele for each gene. The law of independent assortment states that the alleles of different genes segregate independently of one another during gamete formation.

Determining the Characteristics of the F1 Generation

To determine the characteristics of the F1 generation resulting from the cross between the round, green seeded pea plant (RRyy) and the wrinkled, yellow seeded pea plant (rrYY), we need to consider the alleles for the seed shape and seed color traits.

- Seed Shape: The round seed shape is dominant (R) over the wrinkled seed shape (r).
- Seed Color: The yellow seed color is dominant (Y) over the green seed color (y).

Genotype and Phenotype of the Parents

- Round, green seeded pea plant (RRyy)
- Genotype: RRyy
- Phenotype: Round seeds, green color

- Wrinkled, yellow seeded pea plant (rrYY)
- Genotype: rrYY
- Phenotype: Wrinkled seeds, yellow color

Determining the Genotype and Phenotype of the F1 Generation

Using the principles of Mendelian genetics and the laws of inheritance, we can determine the genotype and phenotype of the F1 generation.

- Genotype: The F1 generation will inherit one allele from each parent for each trait. Therefore, the genotype of the F1 generation will be RrYy.
- Phenotype: The dominant alleles for seed shape (R) and seed color (Y) will be expressed in the F1 generation. Therefore, the phenotype of the F1 generation will be round seeds and yellow color.

Conclusion

Based on the principles of Mendelian genetics and the laws of inheritance, the F1 generation resulting from the cross between a round, green seeded pea plant (RRyy) and a wrinkled, yellow seeded pea plant (rrYY) will have the genotype RrYy and the phenotype of round seeds and yellow color. Therefore, the correct answer is option D: Round and yellow.

Yeah bcz these are dominants traits