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.
Homework Answers
A. Dd
B. Autosomal dominant
Because affected parents have affected progenies and vice versa
Normal = dd
Affected = DD, Dd
C. DD or Dd
D. Woman = Dd
Her husband = dd
Dd × dd = 1/2 Dd (affected), 1/2 dd (normal)
50% chances of being affected.
Please rate high.
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Use the pedigree shown below to answer the following questions.
The pedigree is for a family...
Use the pedigree shown below to answer the following questions. The pedigree is for a family...
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 II? B) From this pedigree, how does this trait seem to be inherited? C) What are the possible...
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Genetics Pedigree Worksheet 1. Use the below pedigree chart to answer the following questions about dimples....
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...
10. Study the Pedigree chart below. Answer the questions that follow. 7 * Type A -...
10. Study the Pedigree chart below. Answer the questions that follow. 7 * Type A - Type B = Type AB - Type o 8 9 10 11 12 13 14 15 16 17 18 19 20 21 a. How many phenotypes are shown? b. What type of inheritance is blood type? c. The genotypes for blood groups are as follows: Type A: AA or Ao Type B: BB or Bo Type AB: AB Type 0:00 d. Using these genotypes,...
GENETICS LABORATORY EXERCISE 1. Practice with pedigree charts. A man and his maternal grandfather have a...
GENETICS LABORATORY EXERCISE 1. Practice with pedigree charts. A man and his maternal grandfather have a particular condition. This man married a woman and had four children in the following order: boy, boy, girl, boy. All the children of this marriage except the oldest boy had the condition. The woman of this marriage had a paternal grandfather that had the condition. Only the above individuals have the condition a. Draw a pedigree showing the above information. Use appropriate pedigree symbols....
Use the information presented below to answer questions 6 - 8. Tay-Sachs disease is a recessive...
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...
Observe the pedigree at the link below and answer the following questions... Hint: you know that...
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Use the information below to answer questions 1-2. Leather back turtles (Dermochelys coriacea) lay 50 eggs...
Use the information below to answer questions 1-2. Leather back turtles (Dermochelys coriacea) lay 50 eggs per clutch on soft sand beaches. Let us assume that the first and second cleavage within the developing eggs is controlled by the presence of a single pair of codominant alleles, CA and C Full cleavage and development to maturity will occur if an offspring bears alleles in the heterozygous (CAC) condition. However, there is only 18% cleavage penetrance if C Cappears in the...
Multiple Choice 1. You count 1000 seeds from a monohybrid cross (i.e., single-locus heterozygote crossed with...
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...
for questions 25 - 26 using the letters below. This set of questions refers to Mendel’s...
for
questions 25 - 26 using the letters below. This set of questions
refers to Mendel’s plants with either Purple flowers or White
flowers A. PP B. Pp C. pp D. PP or Pp E. Pp or pp F. PP or pp G.
none of these answers 25. A purple flowering pea plant of unknown
genotype would be best described by which answer above 26. To
determine the genotype of a purple flowering plant of unknown
genotype, you would cross...
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 II? B) From this pedigree, how does this trait seem to be inherited? C) What are the possible...
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...
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...
10. Study the Pedigree chart below. Answer the questions that follow. 7 * Type A - Type B = Type AB - Type o 8 9 10 11 12 13 14 15 16 17 18 19 20 21 a. How many phenotypes are shown? b. What type of inheritance is blood type? c. The genotypes for blood groups are as follows: Type A: AA or Ao Type B: BB or Bo Type AB: AB Type 0:00 d. Using these genotypes,...
GENETICS LABORATORY EXERCISE 1. Practice with pedigree charts. A man and his maternal grandfather have a particular condition. This man married a woman and had four children in the following order: boy, boy, girl, boy. All the children of this marriage except the oldest boy had the condition. The woman of this marriage had a paternal grandfather that had the condition. Only the above individuals have the condition a. Draw a pedigree showing the above information. Use appropriate pedigree symbols....
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...
Use the information below to answer questions 1-2. Leather back turtles (Dermochelys coriacea) lay 50 eggs per clutch on soft sand beaches. Let us assume that the first and second cleavage within the developing eggs is controlled by the presence of a single pair of codominant alleles, CA and C Full cleavage and development to maturity will occur if an offspring bears alleles in the heterozygous (CAC) condition. However, there is only 18% cleavage penetrance if C Cappears in the...
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...
for
questions 25 - 26 using the letters below. This set of questions
refers to Mendel’s plants with either Purple flowers or White
flowers A. PP B. Pp C. pp D. PP or Pp E. Pp or pp F. PP or pp G.
none of these answers 25. A purple flowering pea plant of unknown
genotype would be best described by which answer above 26. To
determine the genotype of a purple flowering plant of unknown
genotype, you would cross...
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