(Y=black/y-yellow). The heterozygotes are the color mixture called calico or tortoise-shell. What would be the color of the father of the following if the mother is a tortoise-shell? i Litter: 1 yellow male, 2 black males; Father cat color il. b) Litter: 2 yellow females, 3 calico females; Father cat color

(Y=black/y-yellow). The heterozygotes are the color mixture called calico or tortoise-shell. What would be the color of the father of the following if the mother is a tortoise-shell? i Litter: 1 yellow male, 2 black males; Father cat color il. b) Litter: 2 yellow females, 3 calico females; Father cat color

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter12: Mendel, Genes, And Inheritance

Section12.2: Later Modifications And Additions To Mendel’s Principles

Problem 2SB: A true-breeding rabbit with agouti (mottled, grayish brown) fur crossed with a true-breeding rabbit...

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1. Two normal visioned parents have a color-blind son. Give the genotype of both parents and the son. 2. In cats, the allele (B) produces black color but (b) produces a yellow color. These alleles are incompletely dominant to each other. A heterozygote produces a tortoise shell color. The alleles (B) and (b) are sex-linked as well. Cross a tortoise shell female with a yellow male. a. What percent of their offspring will be yellow? b. What percent of their offspring will be black? c. What percent of their offspring will be tortoise shell? d. Why is it impossible to have a tortoise shell male offspring?
1. In guinea pigs, black coat color (B) is dominant over white (b), and short hair length (H) is dominant over long (h). a) A guinea pig that is homozygous for black coat color and heterozygous for short hair is crossed with a black coat, long-haired guinea pig which had a white-coated mother. Indicate the genotypes of each parent, their gametes, and complete a Punnett square which shows the genotypes of all offspring. b) What is the probability of obtaining offspring with the following characteristics: i) black coat color and long hair ii) a female with white coat color and short hair
1. If a person's genotype for gene a and gene b is AaBb, what are the possible allelic compositions in a gamete (What alleles for gene a and gene b can be found in a gamete)? 2. Gene p specifies flower color. The dominant P allele specifies purple color, the recessive p allele specifies white color. What is the phenotypic ratio of purple flower : white flower in a monohybrid cross? 3. Gene y specifies seed color. The dominant Y allele specifies yellow color, the recessive y allele specifies green color. Gene s specifies seed skin. The dominant S allele specifies smooth skin, the recessive s allele specifies wrinkled skin. What is the phenotypic ratio of yellow color smooth skin : yellow color wrinkled skin : green color smooth skin : green color wrinkled skin for the offspring of a dihybrid cross? 4. Please consider the cross AABBCC x Aabbcc. What is the probability of producing an offspring with AABbCc genotype? What is the probability of producing an offspring with Aabbcc genotype?
1. Muscular dystrophy is a sex-linked recessive condition. If a woman who does not have the conditions but is a carrier of the allele has a child with a normal male, what percentage of their daughters could have muscular dystrophy? What percentage of their sons could have muscular dystrophy? ) 2. What is the likely genotype and phenotype of a mom and dad who have a son with blue eyes and a daughter with brown eyes? The father has blue eyesShow a Punnett square to prove your answer.
1. A cow is heterozygous for three genes (WwPp) where W-White, w-Brown, P-Polled, p-Horned. Give the phenotypic and genotypic ratio of their offspring if the cow is inter se mated. 2.A male Sahiwal (RRHH) is crossed with a female Angus (Rrhh). Where R-Red, r-Brown, H-Horned, h-polled. Give the phenotypic and genotypic ratio of their offspring.
1. In guinea pig, fur color is determined by one gene, and fur length by another independently segregating gene. The black fur allele (B) is dominant to brown fur allele (b) and the short allele (S) is dominant to long fur allele (s). From progeny listed in the following table, provide the probable genotype for the parents of each cross. Phenotype of Progeny Black short black long brown short Parents Black short X Black short Black short X Brown long Black long X Black long 90 17 0 32 16 35 29 14 0 brown long 8 15 2. A mouse with the genotype BbccEeFf is mated with another mouse with BBCCEEFF genotype. What is the probability of obtaining the following genotype in the progeny? a. BBCcEeFF b. BbccEEFf C. BbccEeFF 12 3. Determine the type of gametes that are formed from the following individuals with the given genotype? A. AaBbCc B. AABBCc C. AABbCe
3) Short tail length in cattle is caused by an X-linked recessive allele. Roan coat colour of cattle is due to co-dominance (other coat colours are red and white). a) Show the results of a cross between a bull which has a roan coat and a short tail and a white cow which is heterozygous long tail. b) What percentage of male calves will have a red coat and a short tail?
In earlobes, free (F) earlobe is dominant while attached (f) earlobe is recessive. What proportion of the offspirng would we expect to have attached earlobes in the following crosses: 1. Heterozygous dominant for ree earlobes with homozygous dominant for free earlobes. ______ 2. Homozygous dominant for free earlobes with attached earlobes. ______ 3. Attached earlobes with attached earlobes. (Answer in percent) ______
1. In guinea pigs, two different genes affect the coat. One gene codes for coat color and there are 2 codominant alleles C1=Brown and C2=White. The heterozygous form is tan colored. The second gene codes for presence of hair with H=hairy (dominant) and h=hairless (recessive). If we didn't know the genotypes of the parents, but mom is hairless and dad is tan haired, and the babies produced included brown, tan, white, and hairless, can you guess the genotypes of the parents? Show your work below (explain how you came up with the answers)
1. Mendel crossed a plant that was heterozygous for height and heterozygous for pea shape with a plant that was homozygous dominant for height and heterozygous for shape. What are the possible genotypes and phenotypes of the offspring? Dominant for height= T (tall) Recessive for height =t (short) pea Dominant for pea shape = R (round) %3D Recessive for pea shape =r(wrinkled) P1:
1. In pea plants, yellow peas are dominant to green peas and purple flowers are dominant to white flowers. For each of the following parental crosses, give the predicted phenotypic and genotypic ratios of the F1 generation. Make punnet squares if necessary. 1. (heterozygous purple-flowered) x (heterozygous purple-flowered) 2. (true breeding white-flowered, yellow pea) x (true breeding purple-flowered, green pea) 3. (heterozygous purple-flowered, yellow pea) x (heterozygous purple-flowered, yellow pea) 2. You have a purple-flowered pea plant. You do not know its genotype. Diagram the test-cross you would conduct to determine the plant’s genotype and what results you would expect if the plant was heterozygous and if the plant was homozygous 3. You are studying five traits in Pentids, an amazonian flying beetle. You have identified each trait as belonging to separate alleles located on separate chromosomes and have categorized those alleles as A,B,C,D, and E, respectively. After years of…
1. In rabbits, mono-colored fur (F) and straight ears (E) are dominant over spotted-fur and floppy ears. Your son owns a rabbit possessing white fur and floppy ears, and he mated it with another rabbit. The offspring of the rabbits turn out to be 8 in total. 4 are possessing white fur with straight ears, while the remaining 4 has spotted white and brown fur with straight ears. a. What are the traits (phenotype) present on the other rabbit mated to your son’s rabbit? Create a table to properly note the phenotypes and genotypes. Considering that your son continued breeding his rabbit to the original rabbit, what will be the probability that it will produce: b. male white fur with straight eared rabbit c. 2 male white fur with floppy eared rabbit d. 2 male white furred, straight eared rabbits and 4 female spotted white and brown, straight eared rabbits