In a monohybrid cross, a pea plant with spherical seeds is crossed with a pea plant with wrinkled seeds. In the F1 generation all plants are spherical. The F1 plants then self-pollinate. Predict the genotype and the phenotype of the F2 generation.
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- More Crosses with Pea Plants: The Principle of Independent Assortment Consider the following cross: P1: AABBCCDDEE aabbccddee F1: AaBbCcDdEe (self-cross to get F2) What is the chance of getting an AaBBccDdee individual in the F2 generation?More Crosses with Pea Plants: The Principle of Independent Assortment Consider the following cross in pea plants, in which smooth pea shape is dominant to wrinkled, and yellow pea color is dominant to green. A plant with smooth yellow peas is crossed to a plant with wrinkled green peas. The offspring produced peas that were all smooth and yellow. What are the genotypes of the parents? What are the genotypes of the offspring?Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?
- In a monohybrid cross, a pea plant with purple flowers is crossed with a pea plant with white flowers. In the F1 generation, all the plants are purple. These F1 plants then self-pollinate. Predict the genotype of the F2 generation.A plant with genotype AAbbccDDEE is crossed with one that is aaBBCCddee. F1 individuals are selfed. What isthe probability of getting a F2 plant whose genotype is exactly the same as the genotype of one of the originalparents?A true-breeding plant with round and green seeds was crossed to atrue-breeding plant with wrinkled and yellow seeds. The F1 plantswere allowed to self-fertilize. What is the probability of obtainingthe following plants in the F2 generation: two that have round,yellow seeds; one with round, green seeds; and two with wrinkled,green seeds?
- A pea plant is heterozygous for three genes (Tt Rr Yy), whereT = tall, t = dwarf, R = round seeds, r = wrinkled seeds, Y = yellowseeds, and y = green seeds. Tall, round, and yellow are the dominanttraits. What is the probability that an offspring from self-fertilizationof this plant will be tall with wrinkled, yellow seeds?Imagine you are performing a cross involving gerden pea plants. What F1 offspring would you expect if you cross plants with green seedsand plants that are homozygous for the yellow seed colo allele? -yellow seed is dominant over green 100 percent yellow - green sedds 100 percent yellow seeds 50 percent yellow, 50 percent green seeds 25 percent green, 75 percent yellow seedsSuppose a purple flower heterozygous for stem size is crossed with a large stem (dominant) purple flower. What are the possible genotypes and phenotypes of offspring?
- In certain plants, tall (T) is dominant to short (t). If a heterozygous plant is crossed with a homozygous short plant, what is the probability that the offspring will be short? Show the punnett square please.as: For pea plant, yellow seeds coat are dominant ov green seed coat, and long stems are dominant over she stem. Determine the phenotype and genotype rations the F1 offspring from cross-pollination of a heterozygous yellow seed coat, a homozygous long stem plant.In snapdragons, red flower color is incompletely dominant over white. Cross 2 heterozygous pink flowers. What is the phenotypic ratio?