Whisker number in a new breed of mouse is controlled by 2 genes. The line with no contributing alleles has 8 whiskers while the line with all the contributing alleles has 26 whiskers. If you crossed a AaBb mouse with a AaBB mouse, what proportion of the offspring would have 20 whiskers? Put your answer in decimal form. 0

Whisker number in a new breed of mouse is controlled by 2 genes. The line with no contributing alleles has 8 whiskers while the line with all the contributing alleles has 26 whiskers. If you crossed a AaBb mouse with a AaBB mouse, what proportion of the offspring would have 20 whiskers? Put your answer in decimal form. 0

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter5: The Inheritance Of Complex Traits

Section: Chapter Questions

Problem 2QP: The text outlines some of the problems Frederick William I encountered in his attempt to breed tall...

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You have carried out the test cross above and get four phenotypes of cats with the following numbers: 95 105 23 27 eho you forgot to note which phenotypes went with which numbers. But, given the information above, you can figure it out. Assuming the gene that controls paw color is gene P and the gene that controls fur length is gene L (with P and L being white paws and short fur), which of the following numbers could be associated with the PL gamete (cats with white paws and short fur)?
Tallness (T) is dominant to shortness (t) in pea plants. Draw a punnett square cross between a heterozygous tall and a heterozygous tall plant. The Phenotype ratio is Tall: Short The Genotype ratio is TT: Tt: tt Blank 1: T Blank 2: t Blank 3: T Blank 4: TT Blank 5: Tt Blank 6: t Blank 7: Blank 8: Blank 9: Blank 10: Blank 11: Blank 12: Blank 13:
Two strains of corn are 1 m (100 cm) and 3.4 m (340 cm) tall. Assume the difference arises from alleles at four genes, each with two alleles, with one allele of each gene contributing additively to height. The 3.4-m plant's genotype is AABBCCDD and the 1-m plant is aabbccdd. Part 1 How many centimeters of height does each allele that is represented by a capital letter contribute? 1.7 cm 30 cm 42.5 cm 60 cm 120 cm Part 2 What would be the shortest plants produced from the following cross? AaBBccDd× AabbccDd 100 cm 120 cm 130 cm 160 cm 175 cm
In a population of 100 pea plants, there are two variations for flower color--purple and white. After counting the number of white plants were 9 plants. What percentage willl be purple plants (p^2+2pq)?
Use the following information to answer the next question. In a breeding experiment, a pure plant with round seeds and green pods (RRGG) was crossed with another pure plant with wrinkled seeds and yellow pods (rrgg). The phenotypes of the F2 generation were: 1780 plants with round and green pods, 620 plants with round seeds and yellow pods, 590 plants with wrinkled seeds and green pods and 195 plants with wrinkled seeds and yellow pods. Which law is proved by the result of this experiment? Law of Segregation Law of Mutation Law of Independent Assortment Law of Dominance
One of the coat color patterns in cats is determined by a pair of codominant alleles located onthe X The allele (B) produces black color, and its allele (B') produces yellow color.The heterozygote (BB') has a tortoise-shell pattern. Determine the genotypic and phenotypic frequencies expected from a cross between a black male and yellow female. Determine the genotypic and phenotypic frequencies expected from a cross between a black male and tortoise-shell female.
You have a purple-flowered pea plant, but you do not know if it is homozygous (PP) or heterozygous (Pp) for flower color because both genotypes result in the same purple phenotype. Purple color allel (P) is dominant over white flower allel (p). What would you do to determine the genotype of flower color of this plant? Lötfen birini seçin: O a. Crossing the plant with homozygous large flowered pea plant (LL) Ob. Crossing the plant with heterozygous purple flowered pea plant (Pp) Crossing the plant with homozygous dominant purple flowered pea plant (PP) d. Crossing the plant with a plant whose genotype is unknown e. Crossing the plant with homozygous recessive white flowered pea plant (pp)
In a population of 100 pea plants, there are two variations for flower color--purple and white. After counting, the nymber of white plants were 9 plants. What would be the number of plants that are heterozygous (2pq)?
Use the following information to answer the next question. A Venn Diagram Showing the Relationship Between Oogenesis and Spermatogeneis. Oogenesis 1 NOTE: Similarities are represented by area 2. Differences are represented by areas 1 or 3. Match the numbered regions with the descriptions below. Spermatogenesis 3 Four viable gametes produced: Occurs in gonads: Daughter cells equal in size Unequal cytoplasmic division ▶
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The fur color gene in rabbits has a dominant allele B with a black phenotype and a recessive allele with a brown phenotype. The rabbit hair length gene has a dominant allele S for short hair, and a long hair recessive allele s. In a cross between a homozygous black-long-hair rabbit with a homozygous brown-short rabbit, what would be the genotype(s) B_s_ v and phenotype(s) [ Select ] of the F1 generation? What would be the genotype(s) [ Select ] and phenotype(s) [ Select ] of the F2 generation?
In birds, wingspan is determined by two genes, one with complete dominance of one allele over the other, one with additive effects. Birds with genotype aabb has 16 cm long wingspan, whereas those with AABB has 20 cm long wingspan. A cross between AABB and aabb parents produced F1 with 19cm wingspan. Crossing the F1s produced F2 with the following phenotypes (in cm): 20.0 19.6 18.3 20.0 19.1 18.7 18.2 17.3 16.0 19.2 17.8 18.4 19.3 19.5 20.0 19.7 1. Determine the mean of the data