1. Ss X SS What are the phenotypes of the parents? In words, what are the genotypes? Do the Punnett Square. Genotypic Ratio: Phenotypic Ratio: and and
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Ss x SS
What are the
In words, what are the genotypes? _______ and ____?
Do the punnett square
Genotype ratio :________
Phenotypic ratio :________
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- 4. Albinism is caused bya recessive al lele. A brown rabbit crossed with an albino rabbit produces 12 brown offspring. When the albino rabbit is crossed with a second brown rabbit, 7 brown and 5 albino offspring are produced. What is the best explanation for this genetic situation? Write the genotypes of each of the parents and their offspring. A First set of parents First set of offspring Cenng to ri Second set of parents e 1:s!! A A Second set of offspring Sbl2. Cross a Brown and White Spotted Cow with a White Cow. What is the percentage of the genotype and phenotype of the offspring? What type of punnett square will you be using for this cross? Codomnent BB WW Parents: Genotypes: P1 x P2 Offspring: Genotype: Phenotype:9. In fruit flies, eye color is carried on the X chromosome. The allele for red eyes is dominant over its recessive allele, white eyes. Cross a homozygous, red-eyed female to white-eyed male. white cefes red eyes What is the genotype of the male? What is the genotype of the female? X xxx xx Y XY XY Genotypes x' x X Y How many genotypes are possible among the offspring? How many phenotypes are possible among the offspring? What is the probability of getting offspring that are red-eyed males? What is the probability of getting offspring that are white-eyed males? What is the probability of getting offspring that are red-eyed females? What is the probability of getting offspring that are white-eyed females? Phenotypes red eyes white eyes
- For numbers 1-9. Cross the following blood type of the wife and husband and answer the questions provided. Wife: Type A Husband: Type AB 1-3. What are the possible genotype of the offspring? А. АО, ВО В. А, ВО, АВ С. АО, ВВ D. AA,AB 4-6. What are the possible Phenotype? A. Type A and B В. Туре АВ С. Туре А, В аnd AB D. Type A, B and O 7-9. What is the percentage of type AB if the genotype you cross is AO and AB? А. 25% В. 50% C. 75% D. 0%1. In fruit flies, the phenotype for eye color is determined by a certain locus. E indicates the dominant allele and eindicates the recessive allele. The cross between a male wild-type fruit fly and a female white-eyed fruit flyproduced the following offspring.Wild-typeMaleWild-typeFemaleWhite-eyedMaleWhite-eyedFemaleBrown-eyedFemaleF1 0 45 55 0 1The wild-type and white-eyed individuals from the F1 generation were then crossed to produce the followingoffspring.F2 23 31 22 24 0(a) Determine the genotypes of the original parents (P generation) and explain your reasoning. You may usePunnett squares to enhance your description, but the results from the Punnett squares must be discussed inyour answer.(b) Use a Chi-squared test on the F2 generation data to analyze your prediction of the parental genotypes. Showall your work and explain the importance of your final answer.(c) The brown-eyed female in the F1 generation resulted from a mutational change. Explain what a mutation is,and discuss…4. A male rabbit with genotype GgBb x with a female rabbit with genotype ggbb. ● The female only has one possible combination (gb) and her gametes are completed on the Punnett square below. To set up the Punnett square, use the "foil" method to determine the alleles present in the gametes. The image shown below will help you set up the male rabbit's genotype at the top of the square. ● Show the Punnett square and the expected offspring and their proportions. gb gb G g Bb gb gb How many out of 16 are: Grey, black eyed Grey, red eyed White, black eyed White, red eyed
- 3. Children are born to a father that is heterozygous for widow's peak and a mother that has a straight hairline. Show the following information. Parents: Genotypes: Phenotypes: Genotypic Ratio: Phenotypic Ratio:7. In humans, the allele for the condition called "hitchhiker's thumb" (h) is thought to be recessive to having a straight thumb (H). Complete the pedigree below to show the probable genotypes. Squares represent males, and circles represent females. Solid shapes show individuals with hitchhiker's thumb. Tetest on O Telw 21 Obe Spagx elift to asqyloneg nembling O N be nick brs O siello frienimob do ebrisasb molaq belexperlo ar emosią yd erl) vd word bna 8 stella tranimob syd ballostno aj otoo belo otin sylace: delslls evideod abud mwond aislą bns ben beoxboro suppysomorneowiad cauro s mengsi bo allueen a bnsa belbsque ont esnammu? en beteaberto S souborg of elem ben nialq s riw batam sismel word bensbero A t sill to sequioneg eldsdong srit evi pnhqalio nword benexperlo bria bas ng s ellene for red.coalcool (1M sex cell 9. the passing of traits from parent to offspring 20. phenotype h. an egg or sperm 21, sex chromosomes i pair of chromosomes that determine the organism's sex 22. recessive trait j, an organism's inherited appearance 3. Children are born to a father that is heterozygous for widow's peak and a mother that hasE straight hairline, Show the following information. Parents: Genotypes: Phenotypes: Genotypic Ratio: Phenotypic Ratio: 4. Mom has type A blood and dad has type B. Show how they can have a child with type O blood. Parents: O Child's genotype:.
- 5. Rather than studying you are watching Maury. A couple comes on with a baby. The father has brown eyes, his parents, grandparents, sister, and brothers all have brown eyes. The mother has blue eyes and the baby has blue eyes. The brown eye allele is dominant to blue eye allele. Using this information, answer the following questions. Co What is the likely genotype of the father? What is the genotype of the mother? What is the genotype of the child? Refi1. Two people with wavy hair have a straight-haired child. Wavy hair is a dominant. What are the genotypes of the parents? What is the possibility that their next child will have wavy hair? Show the genotype and phenotype ratios that result from the above cross. Show the Punnett square.10. If B=brown eyes and b=blue eyes, and a man with brown eyes and a woman with blue eyes have a child with blue eyes, what is the genotype of the man for eye color? Assume complete dominance. * BB ВB or Bb Bb brown can't tell without more information
