Question 1

Concordance rate is defined as _____.

Accepted Answer

A)  the degree of similarity in characteristics among peoples of a cultural group 
B)  the influence of genes on development by comparing people who share different amounts of their genes 
C)  the percentage that indicates the degree of similarity in phenotype among pairs of family members 
D)  the degree of difference as expressed by variations in environment 
A)  the degree of similarity in characteristics among peoples of a cultural group 
B)  the influence of genes on development by comparing people who share different amounts of their genes 
C)  the percentage that indicates the degree of similarity in phenotype among pairs of family members 
D)  the degree of difference as expressed by variations in environment

Question 2

Explain how DZ and MZ twins are formed. Include a discussion of ethnic variations and factors that increase the chances of having twins.

Accepted Answer

DZ twins result when the female releases

Question 3

Which of the following pairs would have a higher concordance rate for schizophrenia?

Accepted Answer

A)  Monozygotic twins 
B)  Dizygotic twins 
C)  Adopted siblings 
D)  Cousins 
A)  Monozygotic twins 
B)  Dizygotic twins 
C)  Adopted siblings 
D)  Cousins

Question 4

When the ovum is fertilised by the sperm, this is called ____.

Accepted Answer

A)  fertility 
B)  conception 
C)  cervix 
D)  gametes 
A)  fertility 
B)  conception 
C)  cervix 
D)  gametes

Question 5

If John has schizophrenia, how likely is it that his monozygotic twin brother will also have schizophrenia?

Accepted Answer

A)  John's brother will also have schizophrenia. 
B)  There is an 80% probability that John's brother will have schizophrenia. 
C)  There is a 50% probability that John's brother will have schizophrenia. 
D)  John's brother will not have schizophrenia. 
A)  John's brother will also have schizophrenia. 
B)  There is an 80% probability that John's brother will have schizophrenia. 
C)  There is a 50% probability that John's brother will have schizophrenia. 
D)  John's brother will not have schizophrenia.

Question 6

How many nucleotide pairs comprise the human genome?

Accepted Answer

A)  100,000 
B)  150 million 
C)  3 billion 
D)  5 trillion 
A)  100,000 
B)  150 million 
C)  3 billion 
D)  5 trillion

Question 7

During pregnancy, deficiencies in folic acid may result in ____.

Accepted Answer

A)  low birth weight and premature delivery 
B)  anencephaly and spina bifida 
C)  Down syndrome and Turner syndrome 
D)  HIV and malaria 
A)  low birth weight and premature delivery 
B)  anencephaly and spina bifida 
C)  Down syndrome and Turner syndrome 
D)  HIV and malaria

Question 8

According to your text, what have researchers concluded about the nature-nurture debate in terms of development?

Accepted Answer

A)  Genetics is more important. 
B)  Environment is more important. 
C)  Both are important. 
D)  Genetics is more important in infancy and environment in childhood. 
A)  Genetics is more important. 
B)  Environment is more important. 
C)  Both are important. 
D)  Genetics is more important in infancy and environment in childhood.

Question 9

A person with an XY pairing of chromosomes is a ____, whereas a person with an XX pairing of chromosomes is a ____.

Accepted Answer

A)  male; female 
B)  female; male 
C)  homogenetic inheritance; polygenetic inheritance 
D)  polygenetic inheritance; homogenetic inheritance 
A)  male; female 
B)  female; male 
C)  homogenetic inheritance; polygenetic inheritance 
D)  polygenetic inheritance; homogenetic inheritance

Question 10

Sandra Scarr and Kathleen McCartney proposed the theory of genotype $\rightarrow$environment effects. Which subtype occurs when people seek out environments that correspond to their genotypic characteristics?

Accepted Answer

A)  Passive genotype $\rightarrow$environment effects 
B)  Evocative genotype $\rightarrow$environment effects 
C)  Active genotype $\rightarrow$environment effects 
D)  Inactive genotype $\rightarrow$environment effects 
A)  Passive genotype $\rightarrow$environment effects 
B)  Evocative genotype $\rightarrow$environment effects 
C)  Active genotype $\rightarrow$environment effects 
D)  Inactive genotype $\rightarrow$environment effects

Question 11

Recall the World Health Organization's guidelines for prenatal care. Name one nutrient that is of critical importance during pregnancy, where women would get it and what the consequences would be of not having it.

Accepted Answer

Iodine. In developed countries, iodine i

Question 12

According to the text, infertility rates have remained constant over the past century at the rate of ____.

Accepted Answer

A)  1%-5% 
B)  10%-15% 
C)  20%-25% 
D)  30%-35% 
A)  1%-5% 
B)  10%-15% 
C)  20%-25% 
D)  30%-35%

Question 13

Explain the phenomenon of incomplete dominance in sickle-cell inheritance.

Accepted Answer

Incomplete dominance occurs when there i

Question 14

Prenatal development is divided into segments. What are these segments called?

Accepted Answer

A)  fetalesters 
B)  prenatal sections 
C)  semesters 
D)  trimesters 
A)  fetalesters 
B)  prenatal sections 
C)  semesters 
D)  trimesters

Question 15

How would you create an individual who will definitely have blue eyes?

Accepted Answer

A)  Make sure they have a pair of homogenous chromosomes for blue eyes. 
B)  Make sure they have a pair of heterogeneous chromosomes for blue eyes. 
C)  Make sure they have a pair of alleles for eye colour. 
D)  Make sure they have one recessive gene for blue eyes. 
A)  Make sure they have a pair of homogenous chromosomes for blue eyes. 
B)  Make sure they have a pair of heterogeneous chromosomes for blue eyes. 
C)  Make sure they have a pair of alleles for eye colour. 
D)  Make sure they have one recessive gene for blue eyes.

Question 16

Which of the following is an example of an X-linked inheritance disorder?

Accepted Answer

A)  Autism 
B)  Down syndrome 
C)  Haemophilia 
D)  Turner's syndrome 
A)  Autism 
B)  Down syndrome 
C)  Haemophilia 
D)  Turner's syndrome

Question 17

Sex chromosomes for a female are _______.

Accepted Answer

A)  X 
B)  Y 
C)  XY 
D)  XX 
A)  X 
B)  Y 
C)  XY 
D)  XX

Question 18

Which period of prenatal development is considered the critical period and also a time in which teratogens can have a profound effect that endure into adulthood?

Accepted Answer

A)  Conception 
B)  Germinal period 
C)  Embryonic period 
D)  Foetal period 
A)  Conception 
B)  Germinal period 
C)  Embryonic period 
D)  Foetal period

Question 19

According to your text, what percentage of variation of intelligence is estimated to be attributed to genetics?

Accepted Answer

A)  25% 
B)  50% 
C)  75% 
D)  100% 
A)  25% 
B)  50% 
C)  75% 
D)  100%

Question 20

Using drugs can cause what type of problem in infants?

Accepted Answer

A)  Physical 
B)  Cognitive 
C)  Behavioural 
D)  All of the above 
A)  Physical 
B)  Cognitive 
C)  Behavioural 
D)  All of the above

Concordance rate is defined as _____.

Explain how DZ and MZ twins are formed. Include a discussion of ethnic variations and factors that increase the chances of having twins.

Which of the following pairs would have a higher concordance rate for schizophrenia?

When the ovum is fertilised by the sperm, this is called ____.

If John has schizophrenia, how likely is it that his monozygotic twin brother will also have schizophrenia?

How many nucleotide pairs comprise the human genome?

During pregnancy, deficiencies in folic acid may result in ____.

According to your text, what have researchers concluded about the nature-nurture debate in terms of development?

A person with an XY pairing of chromosomes is a , whereas a person with an XX pairing of chromosomes is a .

Sandra Scarr and Kathleen McCartney proposed the theory of genotype $\rightarrow$ environment effects. Which subtype occurs when people seek out environments that correspond to their genotypic characteristics?

Recall the World Health Organization's guidelines for prenatal care. Name one nutrient that is of critical importance during pregnancy, where women would get it and what the consequences would be of not having it.

According to the text, infertility rates have remained constant over the past century at the rate of ____.

Explain the phenomenon of incomplete dominance in sickle-cell inheritance.

Prenatal development is divided into segments. What are these segments called?

How would you create an individual who will definitely have blue eyes?

Which of the following is an example of an X-linked inheritance disorder?

Sex chromosomes for a female are _______.

Which period of prenatal development is considered the critical period and also a time in which teratogens can have a profound effect that endure into adulthood?

According to your text, what percentage of variation of intelligence is estimated to be attributed to genetics?

Using drugs can cause what type of problem in infants?

A Cultural Approach to Human Development

Birth and the Newborn Child

Infancy

Toddlerhood

Early Childhood

Middle Childhood

Adolescence

Emerging Adulthood

Young Adulthood

Middle Adulthood

Late Adulthood

Death and Afterlife Beliefs

Filters

Exam 2: Genetics and Prenatal Development

Concordance rate is defined as _____.

Explain how DZ and MZ twins are formed. Include a discussion of ethnic variations and factors that increase the chances of having twins.

Which of the following pairs would have a higher concordance rate for schizophrenia?

When the ovum is fertilised by the sperm, this is called ____.

If John has schizophrenia, how likely is it that his monozygotic twin brother will also have schizophrenia?

How many nucleotide pairs comprise the human genome?

During pregnancy, deficiencies in folic acid may result in ____.

According to your text, what have researchers concluded about the nature-nurture debate in terms of development?

A person with an XY pairing of chromosomes is a ____, whereas a person with an XX pairing of chromosomes is a ____.

Sandra Scarr and Kathleen McCartney proposed the theory of genotype →\rightarrow→ environment effects. Which subtype occurs when people seek out environments that correspond to their genotypic characteristics?

Recall the World Health Organization's guidelines for prenatal care. Name one nutrient that is of critical importance during pregnancy, where women would get it and what the consequences would be of not having it.

According to the text, infertility rates have remained constant over the past century at the rate of ____.

Explain the phenomenon of incomplete dominance in sickle-cell inheritance.

Prenatal development is divided into segments. What are these segments called?

How would you create an individual who will definitely have blue eyes?

Which of the following is an example of an X-linked inheritance disorder?

Sex chromosomes for a female are _______.

Which period of prenatal development is considered the critical period and also a time in which teratogens can have a profound effect that endure into adulthood?

According to your text, what percentage of variation of intelligence is estimated to be attributed to genetics?

Using drugs can cause what type of problem in infants?

A Cultural Approach to Human Development

Birth and the Newborn Child

Infancy

Toddlerhood

Early Childhood

Middle Childhood

Adolescence

Emerging Adulthood

Young Adulthood

Middle Adulthood

Late Adulthood

Death and Afterlife Beliefs

Filters

A person with an XY pairing of chromosomes is a , whereas a person with an XX pairing of chromosomes is a .

Sandra Scarr and Kathleen McCartney proposed the theory of genotype $\rightarrow$ environment effects. Which subtype occurs when people seek out environments that correspond to their genotypic characteristics?