Genetics w Quahog

QUAHOG GENETICSThe Griffin Family and other residents on Spooner Street have been investigating the geneticmakeup of the citizens of Quahog. Use the information provided and your knowledge ofgenetics to answer each question.1. For each genotype below, indicate whether it is a heterozygous (He) OR homozygous (Ho).TT _____ Bb _____ DD _____ Ff _____ tt _____ dd _____Dd _____ ff _____ Tt _____ bb _____ BB _____ FF _____Which of the genotypes in #1 are considered purebred? __________________________Which of the genotypes in #1 are hybrids? _____________________________________2. Determine the phenotype for each genotype using the information provided about Stewie.American accent is dominant to British.AA _____________ Aa _____________ aa _______________Round face shape is dominant to football shape.FF _____________ Ff ______________ ff ________________3. For each phenotype, give all the possible genotypes for Meg.Brown hair (H) is dominant to blonde (h).Brown = ___________________ Blonde = __________________Glasses (G) is dominant to no glasses (g).Glasses = __________________ No Glasses = ______________4. Joe met Bonnie at the Quahog Festival. Joe is heterozygous for his gigantic jaw, but Bonniehas a small jaw. Create a Punnett square to show the possibilities that would result whenJoe and Bonnie have children.A. List the possible genotypes and phenotypes for their baby girl.B. What are the chances of a child with a gigantic jaw?____ out of ____ or ____%C. What are the chances of a child with a small jaw?___ _______ out of ____ or ____%____

QUAHOG GENETICS5. Quagmire proposed to Peter’s maid. Both of them areheterozygous for their dark hair color, which is dominant over alight color. Create a Punnett square to show the possibilities thatwould result if Quagmire and Peter’s maid had children.A. List the possible genotypes and___ ___phenotypes for their children.B. What are the chances of a child with dark hair color?______ out of ____ or ____%C. What are the chances of a child with light hair color?______ out of ____ or ____%6. Everyone in Brian’s dog family has white fur, which is thedominant trait for fur color in his hometown. His dog familybrags that they are a “purebred” line. He recently married anice girl with light gray fur, a recessive trait. Create a Punnettsquare to show the possibilities that would result if Brian andhis new bride had puppies. Use F to represent the dominantgene and f to represent the recessive gene.A. List the possible genotypes and phenotypes for their children.B. What are the chances of a child with white fur? ____%C. What are the chances of a child with gray fur? ____%D. Would Brian’s children be considered purebreds?Explain!__________7. Assume that one of Brian’s sons, who is heterozygous for white fur, married a girl that wasalso heterozygous. Create a Punnett square to show the possibilities that would result ifthey had children.A. List the possible genotypes and phenotypes for theirchildren.B. What are the chances of a child with white fur? ____%___ ___C. What are the chances of a child with gray fur? ____% ____

QUAHOG GENETICS8. Cleveland and his new wife Donna recently had a baby, but it has not been ahappy occasion for them. Donna has been upset since she first saw her newbaby who had short digits (fingers and toes).___ ___ She claims that the hospital goofed and mixedup her baby with someone else’s baby.__Cleveland is homozygous for his long digits,while his wife is heterozygous for her long__digits. Some members of her family have shortdigits, which is the recessive trait. Create a Punnett squareusing D for the dominant gene and d for the recessive one.A. List the possible genotypes and phenotypes for their children.B. Did the hospital make a mistake? Explain your answer.