Question

Suppose that a couple is expecting their first child. The expectant mother has an IQ of 109 and the expectant father has an IQ of 94. Knowing that the mean IQ in the population is 100and assuming that the narrow-sense heritability (h2) for IQ is 0.4, what is the expected IQ of the couple’s first child?

Answer #1

Question about genetics:
A couple has come to you for counseling. They are expecting
their first child and are concerned about the child’s possible
weight. The man is 275lbs and the woman is 205lbs. The average
weight of their ethnic group is 170lbs. For this ethnic group
weight has a narrow sense heritability of .8.
a. What would you predict would be the weight of their
child?
b. Explain to the couple how you arrived at this prediction.
* I...

Child Health and Development Studies (CHDS) has been collecting
data about expectant mothers in Oakland, CA since 1959. One of the
measurements taken by CHDS is the age of first time expectant
mothers. Suppose that CHDS finds the average age for a first time
mother is 26 years old. Suppose also that, in 2015, a random sample
of 50 expectant mothers have mean age of 26.5 years old, with a
standard deviation of 1.9 years. At the 5% significance level,...

Child Health and Development Studies (CHDS) has been collecting
data about expectant mothers in Oakland, CA since 1959. One of the
measurements taken by CHDS is the weight increase (in pounds) for
expectant mothers in the second trimester. In a fictitious study,
suppose that CHDS finds the average weight increase in the second
trimester is 14 pounds. Suppose also that, in 2015, a random sample
of 40 expectant mothers have mean weight increase of 16 pounds in
the second trimester,...

Child Health and Development Studies (CHDS) has been collecting
data about expectant mothers in Oakland, CA since 1959. One of the
measurements taken by CHDS is the weight increase (in pounds) for
expectant mothers in the second trimester. In a fictitious study,
suppose that CHDS finds the average weight increase in the second
trimester is 14 pounds. Suppose also that, in 2015, a random sample
of 40 expectant mothers have mean weight increase of 16 pounds in
the second trimester,...

Narrow-sense heritability for chicken body weight has been
estimated as 0.4. If the mean weight in the population is 500 g,
what is the predicted body weight for a group of chicken whose
parents had a mean body weight of 800 g?
Select one:
A. 1000 g.
B. 500 g.
C. 920 g.
D. 800 g.
E. 620 g.

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