Homework Answers
The observation from the pedigree shown above:
- There is no skip in the generation so the inheritance is dominant.
- It is not X-linked because in X-linked dominant case it is not possible tthat an affected male (generation II) have a normal daughter (generation III) because if the male is affected then the X chromosome is linked with the diseased gene and that chromosome is transferred to the daughter. In case of domainant condition the affected male have all the affected daughter.
Let,
- A - dominant allele
- a - recessive allele
- AA/Aa - Dominant gene
- aa - Recessive gene
A) The genotype of the deceased individual in the generation II is Aa.
B) The trait inherited in autosomal dominant inheitance pattern.
C) Possible genotype for the affected male in generation III will be Aa.
D) The genotype of the affected female (generation III) is Aa and her husband is aa.
| Parents | A | a |
| a | Aa | aa |
| a | Aa | aa |
It suggest that the possible chances of having an affected child is 50%
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Use the pedigree shown below to answer the following questions. The pedigree is for a family...
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Use the pedigree shown below to answer the following questions.
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Numbers under the symbols are the individual's age at the time of
diagnosis. Crossed through symbols means the person is
deceased.
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Multiple Choice
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Use the pedigree shown below to answer the following questions.
The pedigree is for a family in which dark-shaded symbols represent
individuals with a hereditary form of early-onset colon cancer.
Numbers under the symbols are the individual's age at the time of
diagnosis. Crossed through symbols means the person is
deceased.
A) What is the genotype of the deceased individual in generation 1 From this pedigree, how does this traseem to be writed? What are the possible genotypes for the...
Genetics Pedigree Worksheet 1. Use the below pedigree chart to answer the following questions about dimples. The Dimple gene controls whether a person has dimples or doesn't have dimples. Dimples is dominant to no dimples. Place the genotypes of each individual below its symbol. O Dimples gene (D) Dimples is dominant to no dimples 12 13 14 A) How many family members have Dimples? B) What is the genotype of individual 3 and 4? C) Can cither individual #8 or...
Name MULTIPLE CHOICE. question. Choose the one alternative that best completes the statement or answers the Density-dependent inhibition is explained by which of the following? AAs cells become more numerous, they begin to squeeze against each other, restriting their size and ability to produce growth factors. 1) B) As cells become more numerous, the cell surface proteins of adjacent cells bind to each other and send signals that inhibit cell division. C) As cells become more numerous, the protein kinases...
QUESTION 11 For the following pedigree (Pedigree Tree II, used for following questions, too), decide whether a trait is inherited as an autosomal dominant, autosomal recessive, or X-linked recessive. - 2 - 모아 고 오오오 아 오 오오 11 12. 13 14 IV 1 2 13 oo Autosomal dominant Most likely autosomal recessive Most likely X-linked recessive Autosomal recessive X-linked recessive Either autosomal or X-linked recessive QUESTION 12 (Pedigree Tree II) Is it possible for the couple (Generation III individual...
Question 3 5 marks The following pedigree shows a family affected by a rare late-onset disease which is due to a mutation in a maternally imprinted gene. Individuals in generations I and II are all old enough to display the phenotype and all affected individuals are shown. Since this is a late onset disease, individuals in generation III are not yet old enough to display the phenotype, and therefore there are no affected individuals marked in this generation yet. The...
For the following pedigree (Pedigree Tree I, used for following questions, too), decide whether a trait is inherited as an autosomal dominant, autosomal recessive, or X-linked recessive. 2 10 11 po og po 0000 TO 1 2 3 4 5 12 13 14 Autosomal dominant Most likely autosomal recessive Most likely X-linked recessive Autosomal recessive X-linked recessive Either autosomal recessive or X-linked recessive QUESTION 4 (Pedigree Tree 1) What is the genotype of Generation individual 12 АА ОАа Оаа Either...
Background Problem N° 4 Objective: To use pedigrees in a case of an inherited disease in humans in order to determine the type of generic inheritance 3 4 According to the National Cancer Institute (NCI), "a pedigree is an illustration of family history and it shows relationships between family members and patterns of inheritance for certain traits and diseases."3 3 2 3 Pedigrees use standard symbols and conventions: O female: male; affected | Analyze the pedigree for myopia (nearsightedness) in...
7. If offspring exhibit a 3:1 phenotypic are the parents' genotypes? f purple flower color in a plant is controlled by the allele Rand white flower.com by the allele, which flower color is dominant? and white flower color is controlled 9. If a heterozygous purple flowered plant is crossed with a white flowered plant w phenotypes of their offspring? as 10. If the offspring of a cross are 50 purple-flowered plants and 14 white-flowered plants, what are the genotypes of...
Use the information presented below to answer questions 6 - 8. Tay-Sachs disease is a recessive hereditary abnormality causing death within the first few years of life in individuals with the genotype tt. These individuals never reach sexual maturity. Individuals with the genotype T do not become diseased. Abnormally shortened fingers (brachyphalangy) are due to the presence of alleles in the heterozygous condition (Bb) located at a different locus. Geneticists observed that brachyphalangy was conveyed by the dominant allele and...
Multiple Choice
1. You count 1000 seeds from a monohybrid cross (i.e., single-locus heterozygote crossed with single-locus heterozygote). How many seeds do you expect to display the dominant phenotype? a. 1000 b. 750 c. 500 d. 250 2. Which of the following is among the purposes of a genetic dissection analysis? a. To determine how two alleles at a locus interact with one another. b. To determine the order of intermediaries in a genetic pathway. c. To determine whether a...
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