The pedigree above shows a goat family pedigree for the fainting trait. The man finds out that his father has huntingtons disease. The pedigree below shows the blood types of some individuals. Genetics pedigree worksheet a pedigree is a chart of a persons ancestors that is used to analyze genetic inheritance. Huntingtons disease is a degenerative disease of the nervous system which does not show up until age 40. In the world of harry potter, having magical abilities is a completely recessive trait muggles are individuals.
The man has a sister who does not have huntingtons disease. It is important to be able to interpret pedigree charts in order to learn the pattern of a disease or condition. Pedigree worksheet name period date north medford high. Which members of the family above are afflicted with huntington s disease. Genotypes for individuals in a pedigree often can be determined with an understanding of inheritance and probability. One reason they are important is because, they help scientists understand the genetic patterns of diseases. Below is an autosomal pedigree tracing the passing of the albinism gene through 3 generations. Please see attachment for pedigree inheritance pattern of huntingtons disease. With this in mind, is huntingtons disease caused by a dommant or recessive trait. In this example pedigree the first generation resulted in a cross between a woman with huntingtons disease and an unaffected male. Interpreting a human pedigree use the pedigree below to. Pdf pedigree worksheet answers 28 pages 15 best images of from pedigree. Pedigree practice problems hamilton township high school. With this in mind, is huntington s disease caused by a dominant or recessive trait.
Write in the genotypes on the line next to below each individual. Genetics pedigree worksheet answer key huntington s disease collection. Answer the following questions using the pedigree charts. This is a 3 page pedigree worksheet activity that includes an example pedigree with the recessive trait of blue eyes and then 2 pages of questions. To the left is a pedigree for an inherited lung disease. Huntington s disease is a lateonset disease caused by a single, dominant mutation. In pedigree analysis you need to look for any clues that will allow you to decide if the trait is dominant or recessive and whether it is linked to an autosomal chromosome, or to the x chroomsome. The following pedigree is for a family with a history of huntington disease. Pedigree worksheet name ms braggs grade 11 biology page. Biology pedigree worksheet 1 which members of the family.
When naming individuals, put their generation first and then their number. Pedigree inheritance pattern of huntingtons disease. The man finds out that his father has huntington s disease. In this investigation, you will use both population sampling and pedigree analysis to observe human traits. The absolute most suitable theme truly can streamline your life because it maximizes challenging solutions, sophisticated styles together with other attributes of microsoft excel that you may not be even acquainted with. Which members of the family above are afflected by huntingtons disease. Students will refer to the key and the pedigree to answer the questions.
Nov 23, 2015 day 4 dihybrid and pedigree homework practice pdf dihybrid and from pedigree worksheet answer key, source. They should have prior knowledge of punnett squares since some of the questio. A pedigree diagram or chart shows the occurrence and appearance or phenotypes of a particular gene that codes for a specific triait in a organism from one generation to the next, most commonly humans, show dogs, and race horses. What is the chance that john will have the disease. Genetics pedigree worksheet answer key huntingtons disease. Talking about pedigree worksheet with answer key, below we will see various similar pictures to give you more ideas. To the right is a pedigree for an inherited lung disease. Click on popout icon or print icon to worksheet to print or download. There are no carriers for huntington s disease you either have it or you dont.
Huntingtons disease is a lateonset disease caused by a single, dominant mutation. The man s mother does not have huntington s disease. Worksheets are pedigrees practice, pedigree charts work, name date period, practice problems for genetics session 3, pedigree work name, studying pedigrees activity. With this in mind, is huntingtons disease caused by a dominant or recessive trait. Huntington disease pedigree worksheets teacher worksheets. Worksheet with pedigree chart and questions to answer, including extension task. Genetics pedigree worksheet answer key huntington s disease. A pedigree is a visual chart that depicts a family history or the transmission of a specific trait. Genetics pedigree worksheet a pedigree is a chart of a persons ancestors that is used to analyze genetic inheritance of certain traits especially diseases. Pedigree worksheet a family tree of sorts is called a pedigree.
Some of the worksheets displayed are pedigree work name, pedigree charts work, interpreting a human pedigree use the pedigree below to, pedigree work, pedigrees practice,, name date period. Use the pedigree below to answer 672 shaded individuals have huntingtons disease 6. Conduct the pedigree and family history analysis activity. Pedigree worksheet key genetics pedigree worksheet a pedigree is a chart of a persons ancestors that is used to analyze genetic inheritance of certain traits especially diseases.
Creating a worksheet theme truly can help in saving you plenty of time. Huntingtons disease is an autosomal dominant disorder. Huntingtons disease pedigree key worksheet i ii 1 2 1. Those individuals who are already suffering from the disease are shaded black. Which members of the family above have huntingtons disease. The man has a sister who does not have huntington s disease. Pedigree practice on a separate sheet of paper, draw the pedigrees using the given information and then answer the questions that follow. Write the generation on the pedigree numbers roman numerals. Showing top 8 worksheets in the category huntington disease pedigree. Pedigree worksheet name class date huntington s disease 1. A pedigree is a diagram that shows the phenotype of a particular genetic trait in a family from one generation to the next.
A pedigree is a chart of a persons ancestors that is used to analyze genetic inheritance of certain traits especially diseases. Under what circumstances would individual ii6 have a child with huntingtons disease. Use the pedigree below to answer 672 shaded individuals have huntington s disease 6. Which members of the family above are afflicted with huntingtons disease. Pedigree analysis is an example of abductive reasoning. Day 4 dihybrid and pedigree homework practice pdf dihybrid and from pedigree worksheet answer key, source. Pedigree charts are very important to many different fields of science. Huntingtons disease hd, a progressive neurodegenerative disorder, which is. Use the pedigree below to answer 612 shaded individuals have huntingtons disease 6.
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