4. In pea plants, the round shape (R) is dominant over wrinkled shape (r) for seed shape and tall (T) is the dominant allele in plant height. Parents heterozygous for both traits are cross- pollinated. Determine the frequency for the four different phenotypes of the offspring. Parental Gametes: Tall plant, round shape seeds: Tall plant, wrinkled shape seeds: Short plant, round shape seeds: Short plant, wrinkled shape seeds: 5. Dianne is married to Enzo, and they have four children. Dianne has a straight nose (recessive) and can roll her tongue (dominant). Enzo can roll his tongue, but he has a convex (Roman) nose (dominant). Of their four children, Peter is just like his father, and Leah is just like her mother. The other children-Anna, who has a convex nose, and Alex, who has a straight nose-are unable to roll their tongues. Please answer the following questions about this family. a. What are the genotypes of Dianne and Enzo? b. What is the genotype of the following? i. Peter: ii. Leah: ii. Anna: iv. Alex:

4. In pea plants, the round shape (R) is dominant over wrinkled shape (r) for seed shape and tall (T) is the dominant allele in plant height. Parents heterozygous for both traits are cross- pollinated. Determine the frequency for the four different phenotypes of the offspring. Parental Gametes: Tall plant, round shape seeds: Tall plant, wrinkled shape seeds: Short plant, round shape seeds: Short plant, wrinkled shape seeds: 5. Dianne is married to Enzo, and they have four children. Dianne has a straight nose (recessive) and can roll her tongue (dominant). Enzo can roll his tongue, but he has a convex (Roman) nose (dominant). Of their four children, Peter is just like his father, and Leah is just like her mother. The other children-Anna, who has a convex nose, and Alex, who has a straight nose-are unable to roll their tongues. Please answer the following questions about this family. a. What are the genotypes of Dianne and Enzo? b. What is the genotype of the following? i. Peter: ii. Leah: ii. Anna: iv. Alex:

Name: 4. In pea plants, the round shape (R) is dominant over wrinkled shape
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Description: 4. In pea plants, the round shape (R) is dominant over wrinkled shape (r) for seed shape and tall (T) is thedominant allele in plant height. Parents heterozygous for both traits are cross- pollinated. Determine thefrequency for the four different ph

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter13: Observing Patterns In Inherited Traits

Section: Chapter Questions

Problem 7GP: Several alleles affect traits of roses, such as plant form and bud shape. Alleles of one gene govern...

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Imagine you are performing a cross involving seed color in garden pea plants. What Fi offspring would you expect if you cross true-breeding parents with green seeds and yellow seeds? Yellow seed color is dominant over green. 100 percent yellow-green seeds 100 percent yellow seeds 50 percent yellow, 50 percent green seeds 25 percent green, 75 percent yellow seeds
Several alleles affect traits of roses, such as plant form and bud shape. Alleles of one gene govern whether a plant will be a climber (dominant) or shrubby (recessive). All F1 offspring from a cross between a true-breeding climber and a shrubby plant are climbers. If an F1 plant is crossed with a shrubby plant, about 50 percent of the offspring will be shrubby; 50 percent will be climbers. Using symbols A and a for the dominant and recessive alleles, make a Punnett- square diagram of the expected genotypes and phenotypes the cross between the F1 offspring and the shrubby plant.
In peas, the allele Le produces tall plants and the allele le produces dwarf plants. The Le allele is dominant to le. If a tall plant is crossed with a dwarf, the offspring are distributed about equally between tall and dwarf plants. What are the genotypes of the parents?
The dominant C allele of a gene that controls color in corn produces kernels with color; plants homozygous for a recessive c allele of this gene have colorless or white kernels. What kinds of gametes, and in what proportions, would be produced by the plants in the following crosses? What seed color, and in what proportions, would be expected in the offspring of the crosses? a. CCCc b. Cccc c. CcCc
Consider a cross to investigate the pea pod texture trait, involving constricted or inflated pods. Mendel found that the traits behave according to a dominant/ recessive pattern in which inflated pods were dominant. If you performed this cross and obtained 650 inflated-pod plants in the F2 generation, approximately how many constricted-pod plants would you expect to have? 600 165 217 468
A true-breeding rabbit with agouti (mottled, grayish brown) fur crossed with a true-breeding rabbit with chinchilla (silver) fur produces all agouti offspring. A true-breeding chinchilla rabbit crossed with a true-breeding Himalayan rabbit (white fur with pigmented nose, ears, tail, and legs) produces all chinchilla offspring. A true-breeding Himalayan rabbit crossed with a true-breeding albino rabbit produces all Himalayan offspring. Explain the inheritance of the fur colors.
Which is one of the seven characteristics that Mendel observed in pea plants? flower size seed texture leaf shape stem color
4. The ruffed chicken has an under-chin wattle. A smooth wattle (S) is dominant over a wrinkled wattle (s). A red wattle (HR) is incompletely dominant with a white wattle (HW) so that an individual with HRHW will have a pink wattle. A chicken with a wrinkled red wattle is mated to a homozygous chicken with a smooth white wattle. What is the genotype and phenotype of the chicks?
6. Consider that people with blue eyes must have two alleles for blue eyes since blue eye color is a recessive trait. A blue-eyed person and a brown-eyed person have an offspring with blue eyes. The brown-eyed person must A. have two alleles for blue eyes. B. have two alleles for brown eyes. C. not have the dominant brown eye allele. D, have one allele for blue eyes and one allele for brown eyes.
2. In terms of pea plant height, tall plants (T) are dominant over dwarf plants (t). Purple flowers (P) are dominant over white flowers (p). Create a Punnett square that shows all of the possible offspring that could occur from breeding the following: a.) Plant 1: Heterozygous dominant for plant height, homozygous dominant for flower color b.) Plant 2: Heterozygous dominant for plant height, homozygous recessive for flower color c.) Include the percentage/ratio of occurrence for each phenotype.
7. The ability to roll your tongue (R) is dominant to lack of this ability (r). A. What is the genotype of a man who can roll his tongue if his father couldn’t? B. If a man who is heterozygous for tongue rolling marries a woman who is heterozygous, what would you predict for the genotypes and phenotypes of their children?
1. Use the following information to answer the question: Parental cross is RrYy x RrYy Seed Shapes are R-round, r-wrinkled Seed colors are Y-yellow, y-green Based on the information given, what is the phenotype ratio of the offspring of this cross? 2. A pea plant heterozygous for height and seed color (TtYy) is crossed with a pea plant heterozygous for height but homozygous recessive for seed color (Ttyy). If 80 offspring are produced, how many are expected to be tall and have yellow seeds? 3. What is the chromosome theory of inheritance? How does this theory explain Mendel's results? 4. A cross between two organisms heterozygous for two different genes (AaBb) results in a 9:3:3:1 phenotype ratio among the offspring. Is the offspring's genotype ratio the same? Explain your answer.…