Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 5, Problem 25QP
Summary Introduction
To determine: The IQ by Wilhelm Stern’s method, when a genetics instructor at the age of 9 performs the mental tasks of 11 years old.
Introduction: Intelligence quotient is a measure which is used to calculate the intelligence of an individual. The formula to calculate the IQ score was given by Wilhelm Stern. The IQ is calculated by dividing the mental age of an individual by the chronological age and then, multiplying the answer by 100.
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Chapter 5 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 5.5 - Prob. 1GRCh. 5.5 - What are the possible advantages or disadvantages...Ch. 5 - After hearing this information, should Sue and Tim...Ch. 5 - Can cleft lip be surgically corrected? Sue and Tim...Ch. 5 - If the child showed a cleft lip through ultrasound...Ch. 5 - Describe why continuous variation is common in...Ch. 5 - The text outlines some of the problems Frederick...Ch. 5 - What role might environment have played in causing...Ch. 5 - Do you think Frederick Williams experiment would...Ch. 5 - As it turned out, one of the tallest Potsdam...
Ch. 5 - Describe why there is a fundamental difference...Ch. 5 - Sunflowers with flowers 10 cm in diameter are...Ch. 5 - Clubfoot is a common congenital birth defect. This...Ch. 5 - Define genetic variance.Ch. 5 - Define environmental variance.Ch. 5 - How is heritability related to genetic and...Ch. 5 - Why are relatives used in the calculation of...Ch. 5 - If there is no genetic variation within a...Ch. 5 - Can conjoined (Siamese) twins be dizygotic twins...Ch. 5 - Dizygotic twins: a. are as closely related as...Ch. 5 - Why are monozygotic twins who are reared apart so...Ch. 5 - Monozygotic (MZ) twins have a concordance value of...Ch. 5 - If monozygotic twins show complete concordance for...Ch. 5 - Researchers set up an obesity study in which MZ...Ch. 5 - What does the ob gene code for? How does it work?...Ch. 5 - What is the importance of the comparison of traits...Ch. 5 - Height in humans is controlled by the additive...Ch. 5 - If diseases such as cardiovascular disease...Ch. 5 - Prob. 24QPCh. 5 - Prob. 25QPCh. 5 - Suppose that a team of researchers analyzes the...
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- 1) Identify the most important advantage that Mendel's pea plants had for studying the inheritance of traits 2) Using no more than one sentence, please explain why this advantage or characteristic was critical for the success of Mendel's experimentsarrow_forwardPhenylketonuria (PKU) is a human hereditary disease resulting from the inability of the body to process the chemical phenylalanine, which is contained in the protein we eat. PKU is manifest in early infancy and, if it remains untreated, generally leads to cognitive impairment. PKU is caused by a recessive allele with simple Mendelian inheritance. A couple intends to have children but consults a genetic counselor because the man has a sister with PKU and the woman has a brother with PKU. There are no other known cases in their families. They ask the genetic counselor to determine the probability that their first child will have PKU. What is this probability?arrow_forwardTwo healthy parents have a child who is later diagnosed with cystic fibrosis. What is the genetic term for this kind of disease? Using Mendel’s pattern, pick a letter for this gene and give the genotypes of the parents and the child. What are the odds that their next child will also have cystic fibrosis?arrow_forward
- Monozygotic (identical) twins share all of the same DNA, yet have differences in appearance and behavior. Explain why this is, using the following terms correctly in your discussion: genotype, phenotype, multifactorial trait.arrow_forwardWhat was Mendel's experiment and why was it successful?arrow_forwardWhich of the following individuals would you expect to share 25% of their DNA with you? Select all correct answers. Your aunt or uncle Your child Your first cousin Your grandparent Your parent Your siblingarrow_forward
- What is a specific variant of a character?arrow_forwardIf both parents carry one copy each of the mutation that causes Huntingtons , what are the odds that their child would have the disease ? A)25 B 75 C 50 D 100arrow_forwardYou are a genetic counselor for Joanne and Paul and find out that their child has sickle ell anemia, even though the parents have never had it. Explain to them how this could happen (use nguage for a general audience) and draw a Punnettarrow_forward
- Eye Color (B, b) (B dominant for brown eyes; b for blue eyes) If Mrs. Spud's genotype is Bb and Mr. Spud's genotype is bb. What would be the genotype for baby Spud?arrow_forwardWrite the name of the term that describes the phrase. The physical or functional expression of a genetic traitarrow_forwardA woman diagnosed with Alzheimer disease wants to know the probability that her children will inherit the disorder. Explain to her the complications of determining heritability for this disease.arrow_forward
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