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- A man has a straight hairline. Is it necessary for both his parents to also have straight hairlines in order for him to have one? Use a Punnett square to explain your answer. Refer to Lab Videos for example.
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- 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 hairlineDraw a punnett square for each problem. Please be careful to notice whether a trait is homozygous or heterozygous. One parent has O type blood. The other parent has heterozygous B type blood. What are all the possible blood types the children may have? Answer:____________O ____________A _____________B _____________AB In a paternity case a man is accused of having fathered a child. He denies the accusation and presents the following evidence. His blood is O. The mother’s type is AB. The child has AB blood. Could he be the father? _______yes ________noPlease explain whether parents who have medium skin color (AaBbCc) can have children with the darkest skin color. If this is possible, please explain or show this and provide the likelihood that they would have a child that is (AABBCC).
- Please use the attached photo to answer the following questions: 1. Is a widow’s peak a dominant or recessive trait? 2. Give reasons for your answerRose has normal color vision, but her mother is color blind. Eli is color blind. If Eli and Rose marry and have a child together, what is the probability that the child will be color blind? Explain your answer and Show the Punnett square you use to solve the problem.A widow's peak hairline is dominant (W) to a straight hairline (w). Karen and her brother both have a straight hairline, but her parents and sister all have a widow's peak. Complete the Punnett square that shows Karen's family.
- A man and woman both have brown eyes. One of their children has blue eyes. How is that possible? Include a Punnett square in your explanation.Looking at hairline (widow's peak = H) and ear shape (ear lobes = E)... If a man who is HhEe has children with a woman who is also HhEe, what percentage of their children will be HhEe? Question 8 options: 6% 100% 19% 25% 56%The presence of freckles (F) is dominant to no freckles (f). Jake and his mom have freckles, but his sister and Dad do not have freckles. Complete the Punnett square that shows Jake's family.
- The Eastwoods are going to have a child. She has chestnut hair (MBdMBk), and he has dark brown hair. Find their child's possible hair colors and the probabilities of each. (Enter exact numbers as integers, fractions, or decimals.) blond strawberry blond bright red light brown reddish brown dark red medium brown chestnut auburn dark brown shiny dark brown glossy dark brown black shiny black glossy blackA couple has three children, all of whom have brown eyes and blond hair. Both parents are heterozygous for brown eyes (Bb), but one is blond (rr) and the other is a redhead (Rr). What is the probability that the next child will be a brown-eyed redhead? For full credit, you must show all workA recently married couple are both heterozygous for cystic fibrosis, a recessive genetic disorder. They would like to start a family and would like to have two children. What is the probability that both their first and second child would have cystic fibrosis?