Biology Forums - Study Force

A synonym for fraternal twins is
 
  a. dizygotic twins.
  b. monozygotic twins.
  c. allele twins.
  d. heterozygotic twins.

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Question 2

A second way of studying heritability, other than the formula h² = 2(r_mz  r_dz) is through the use of
 
  a. dizygotic twins reared apart.
  b. monozygotic twins reared apart.
  c. factor analysis.
  d. a quadratic analysis.

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Question 3

A fertilized egg splitting into two early in its maturation results in
 
  a. a nonviable zygote.
  b. two monozygotic twins .
  c. two dizygotic twins.
  d. a chimera.

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Question 4

All of the following are used in the textbook as examples of aspects of the nonshared environment in a family EXCEPT
 
  a. spacing of siblings.
  b. differential parental treatment.
  c. physical aspects of the home environment.
  d. friends.

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Question 5

The smallest number of factors that could account for human personality is one. Researchers have labeled this the _____________ personality factor.
 
  Fill in the blank(s) with the appropriate word(s).

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Question 6

The textbook defines ___________ environment as those aspects of the family environment that are generally the same for all the children in the household.
 
  a. shared
  b. common
  c. phenotypic
  d. genetic

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Question 7

_______________ estimates the extent to which observed individual differences can be traced in any way to individual differences in environments.
 
  a. Heritability
  b. Phenotype
  c. Epigenetics
  d. Environmentality

(Answer to Q. 1)  Answer: a: dizygotic twins.

(Answer to Q. 2)  Answer: b: monozygotic twins reared apart.

(Answer to Q. 3)  Answer: b: two monozygotic twins.

(Answer to Q. 4)  Answer: c: physical aspects of the home environment.

(Answer to Q. 5)  Answer: general

(Answer to Q. 6)  Answer: a: shared

(Answer to Q. 7)  Answer: d: Environmentality

Makes tons more sense now! Vote with confidence people, these are all correct

:) Feeling super proud now