Hearing (H) in dogs is DOMINANT. Deafness(d) in puppies is caused by a recessive gene. Deaf puppies have the genotype dd. You have a hearing dog. What are its possible genotypes? ________ _______ The dog that you use to do a test cross with your hearing dog should have: genotype? _______ phenotype? ___ _________________ Using Punnett Square show the results of test crossing BOTH OF THE POSSIBLE PARENT GENOTYPES:

Hearing (H) in dogs is DOMINANT. Deafness(d) in puppies is caused by a recessive gene. Deaf puppies have the genotype dd. You have a hearing dog. What are its possible genotypes? ____ _ The dog that you use to do a test cross with your hearing dog should have: genotype? ___ phenotype? _ _________________ Using Punnett Square show the results of test crossing BOTH OF THE POSSIBLE PARENT GENOTYPES:

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter19: Introduction To Genetics

Section: Chapter Questions

Problem 4CT: The young woman shown at right has albinismvery pale skin, white hair, and pale blue eyes. This...

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1) Janet and her family members have attached earlobes (recessive trait). However, her maternal grandmother has unattached earlobes. What is the genotype of her maternal grandmother? _____________________ Janet’s maternal grandfather passed away ten years ago. What could have been his genotype?______________________________
The allele for color-blindness is carried on the X chromosome. Making color blindness (a recessive trait) an X - linked trait. A colorblind make and a carrier female for color blindness. (But is not colorblind herself) have a child. Show your work! A) what is the % chance that their son will be color blind? B) what is the % chance that their daughter will be color blind?
I just want an explanation of what is in bold please. Lab Introduction: A dihybrid cross is a cross between individuals that involves two pairs of contrasting traits. To Predict the results of a dihybrid, cross all possible combinations of the four alleles from each parent must be considered. You will examine a dihybrid cross involving both color and texture. Purple (P), is dominate to yellow (p), and smooth texture (S) is dominant to wrinkled (s). Both parent plants are heterozygous for both traits. Review genetics and the use of Punnett squares in a biology text before doing this experiment.MATERIALS: Assume you have ear of Corn. You need a heterozygous X heterozygous 9:3:3:1, purple/yellow, starchy/sweet. PROCEDURE: From above please write out: The crop The parental (P) cross phenotype, genotype, gametes The F1 progeny Genotype and Phenotype Cross between two F1 Selfed testcross The F1 gametes The expected F2 results, genotype, phenotype, genotypic ratio, phenotypic ratio. 1.…
Male-pattern baldness is sex-linked and recessive. A carrier female has a child with a normal male. Give the genotype and phenotype ratios for their offspring.
For each phenotype, list the genotype(s): Widow’s peak (W) is dominant to a straight hairline (w). _______________ widow’s peak (homozygous) _______________ widow’s peak (heterozygous) _______________ straight hairline
The following pedigree of the Tonks family follows the recessive inheritance on the MC1R gene for Metamorphmagus (the ability to change physical appearance). What are the possible genotypes for the following wizards for the MC1R gene? I: 1 Ted Tonks = ______________ I: 2 Andromeda Black = _________________ II: 2 Remus Lupin = _______________ III:1 Teddy Tonks = _______________
Color-blindness is an X-linked recessive disorder. Under what circumstances will this condition manifest in a child? Top of Form If the child is a male and its mother has the recessive allele If the child is a female and its father has the recessive allele If the child is a female and its mother has the recessive allele If the child is a male and its father has the recessive allele
Match each of the following terms with its correct definition (parts a through i). ______Phenocopy ______Pleiotropy ______Polygenic trait ______Penetrance ______Sex-limited trait ______Genetic maternal effect ______Genomic imprinting ______Sex-influenced trait ______Anticipation a. The percentage of individuals with a particular genotype that express the expected phenotype. b. A trait determined by an autosomal gene that is more easily expressed in one sex. c. A trait determined by an autosomal gene that is expressed in only one sex. d. A trait that is determined by an environmental effect and has the same phenotype as a genetically determined trait. e. A trait determined by genes at many loci. f. The expression of a trait is affected by the sex of the parent that transmits the gene to the offspring. g. The trait appears earlier or is more severe in succeeding generations. h. A gene affects more than one phenotype. i. The genotype of the maternal parent influences the phenotype of the…
Which of the following genotype(s) must a female child have in order to be color blind? XNXN XNXn XnXn XNY XnY (XN represents the normal color vision allele. Xn represents the color-blindness allele. Y represents the Y chromosome, which does not carry the color-vision gene.) Which of the following genotype(s) must a color-blind male have? Explain your rationale. XNXN XNXn XnXn XNY XnY (XN represents the normal color vision allele. Xn represents the color-blindness allele. Y represents the Y chromosome, which does not carry the color-vision gene.)
Search the menus (Alt+/) 90% Normal text Calibri BI UA 11 + ... I 1 2 I 3 I: 4 | 5 6 7 8 11. Farmer Jorge is not very happy. His cows keep attacking him with their horns. He heard from his friend, Ta Lay that some cows do not have horns. These cows are known as polled cows. Farmer Jorge can only afford to buy one polled cow. He buys a purebred male (called a bull), with no horns. He is going to have the bull mate with his cow that is homozygous recessive for horns. Can his cows make a baby (called a calf) with no horns? Create a Punnett Square to show the possibilities that could result from this mating. Alleles and Phenotype All Genotype and Phenotype Possibilities Parent Genotypes Punnett Square Allele Phenotype Genotype Phenotype Dad Mom 4 of 7 a. Bull's Genotype b. Cow's Genotype c. What is the probability of having a polled calf? d. What is the probability of having a horned calf? e. What is the probability for a homozygous recessive? f. Can Jorge's cows make a calf with no horns?
The mother ogre has two small eyes with genotype EE. The male ogre has one large eye with genotype ee. This gene is dominant/recessive. What percent of offspring will have only one eye? _________ The mother ogre has white eyes with genotype R’R’. The father ogre has pink eyes with genotype RR’. The R allele encodes for red eyes. The R’ allele encodes for white eyes. What kind of dominance is it when RR’ leads to pink eyes? What percent of offspring will have red eye(s)? _________
Match the genetic disorder to the descriptions below: Edward Syndrome Jacob Syndrome Patau Syndrome Turner Syndrome Prader-Willi Syndrome Down Syndrome (trisomy) Klinefelter Syndrome Cri du Chat 18-Q Deletion Syndrome Translocation Down Syndrome ________ deletion of part of the P arm of chromosome 5. Improperly developed larynx causes cat-like cry until age 2. IQ is under 20. ________ deletion of Q arm of chromosome 15. Affected individuals have a small head, are retarded, and exhibit bizarre behavior. ________ deletion of Q arm of chromosome 18. Affected individuals have thirteen pairs of ribs (normal is 12 pairs) and IQ under 30. ________ extra 21st chromosome attaches to chromosome 14. Affected individ- uals exhibit epicanthic folds of eyelids, simian crease in palms, and retardation. ________ trisomy 18. Affected individuals…