2. A mother has straight hair and one of her sons has wavy hair. Her husband has curly hair. What are the chances of her and her husband having a wavy hair child? A B C D E Answer the question
3. 2. Amy is heterozygous for head shape and Ted is homozygous for round head shape. Round head shape is dominant over square head shape. What are the chances of Amy and Ted having a child with square head shape? A B C D E Answer:
4. 3. Frank and Betty are scared of having a child. They are worried that if they had a child it might inherit Frank’s trait for 6 fingers and 6 toes on each hand and foot. Betty has normal digits. If extra digits is dominant, what are the chances of Frank and Betty having a baby with 6 digits?
5. 4. Billy has two Brown hamsters and decides he would like a Black one. If hamster coat color is co-dominant for black and yellow, can Billy have a black hamster? A B C D E Answer:
6. 5. Jane has normal skin but both of her parents have albinism. Jane knows that albinism is a trait that causes a lack of pigment in the skin, and that this trait is recessive. Is Jane their daughter?
7. 6. Sally wants to know the father of her baby but can’t afford a DNA test. Jim is blood Type A and the other man Gary is blood Type A. Sally is Type A and Her baby is Type O. Jim’s parents are both universal recipients. Who is the father of Sally’s baby? A B C D E Answer:
8. 7. Gary has Type A blood. Gary’s mom has Type O blood and her husband has blood Type AB. Gary thinks he looks more like his uncle Larry. Larry is homozygous for blood Type A. What are the chances the husband could be the father? What are the chances Larry could be the father? A B C D E Answer:
9. 8. Gary is upset about the results of the blood test. He decides to look for another trait to check. Unattached earlobes are dominant over attached earlobes. Both of Gary’s parents have attached earlobes. Uncle Larry is homozygous for unattached earlobes. What does Gary learn from this information?
10. Dominant Recessive Heterozygous Homozygous Genotype Phenotype Read the whole question, decide what it is asking you to do, follow the steps (A-E) if it is asking you to solve a genetics problem
11. Red flowers are dominant over White flowers. If two heterozygous flowers are crossed, what are the expected genotypes and phenotypes of their offspring? A: (hint one letter) RED- White- B: ____X____ C: Punnet Square D: Genotype chances (%) E: Phenotype Chances (%)
12. There are 3 sizes of lips: thick, medium, and thin. If a man with think lips marries a woman with medium lips what are the chance of them having a child with thin lips? Prove your answer and explain. A: B: ________X_______ C: Punnet square (aka proving your results) D: Genotypes (%) E: Phenotypes (%) The chance of the couple having a child with thin lips is______________, because __(explain)__________.
