Question 1

Which of the following is true of phenylketonuria?

Accepted Answer

A)  It results from a recessive gene. 
B)  It is a chromosomal disorder. 
C)  It results in death by the age of five. 
D)  It is caused by an accumulation of lipids in the nervous system. 
A)  It results from a recessive gene. 
B)  It is a chromosomal disorder. 
C)  It results in death by the age of five. 
D)  It is caused by an accumulation of lipids in the nervous system.

Question 2

Name and describe three prenatal diagnostic tests.

Accepted Answer

Prenatal diagnostic tests include: 1)Ult

Question 3

Gwendolyn is having a prenatal test where her doctor uses high-frequency sound waves directed into her abdomen to check her fetus.She is most likely having a(n)_____.

Accepted Answer

A)  chorionic villus sampling 
B)  triple screen 
C)  amniocentesis 
D)  ultrasound sonography 
A)  chorionic villus sampling 
B)  triple screen 
C)  amniocentesis 
D)  ultrasound sonography

Question 4

_____ are the building blocks of cells as well as the regulators that direct the body's processes.

Accepted Answer

A)  Genes 
B)  Proteins 
C)  Ribosomes 
D)  DNA 
A)  Genes 
B)  Proteins 
C)  Ribosomes 
D)  DNA

Question 5

Which of the following is true of mitosis?

Accepted Answer

A)  Mitosis is the cellular reproduction that occurs to form the sperm and the egg cells. 
B)  Mitosis results in the formation of four new cells. 
C)  Mitosis results in the formation of new cells with 23 pairs of chromosomes. 
D)  Mitosis results in the formation of three new cells. 
A)  Mitosis is the cellular reproduction that occurs to form the sperm and the egg cells. 
B)  Mitosis results in the formation of four new cells. 
C)  Mitosis results in the formation of new cells with 23 pairs of chromosomes. 
D)  Mitosis results in the formation of three new cells.

Question 6

Tom is a tall man with undeveloped testes and enlarged breasts.His doctor has determined that he has an extra X chromosome leading to the diagnosis of:

Accepted Answer

A)  Down syndrome. 
B)  fragile X syndrome. 
C)  Klinefelter syndrome. 
D)  Turner syndrome. 
A)  Down syndrome. 
B)  fragile X syndrome. 
C)  Klinefelter syndrome. 
D)  Turner syndrome.

Question 7

What are the three ways that heredity and environment are correlated as described by behavior geneticist Sandra Scarr.

Accepted Answer

Behavior geneticist Sandra Scarr describ

Question 8

For each genotype,a range of _____ can be expressed,thus providing a source of variability.

Accepted Answer

A)  genetic imprints 
B)  phenotypes 
C)  karyotypes 
D)  mesotypes 
A)  genetic imprints 
B)  phenotypes 
C)  karyotypes 
D)  mesotypes

Question 9

Palomar is pregnant.During the early stages of her pregnancy,the single zygote splits into two genetically identical replicas.Her doctor tells her she is going to have _____ twins.

Accepted Answer

identical

Question 10

Tamera has a genetic disorder where her red blood cells take on a hook shape instead of the normal disk shape.The doctors tell Tamera's parents that she has _____,and that this condition also provides her with a resistance to malaria.

Accepted Answer

A)  Tay-Sach's disease 
B)  sickle-cell anemia 
C)  leukemia 
D)  Huntington's disease 
A)  Tay-Sach's disease 
B)  sickle-cell anemia 
C)  leukemia 
D)  Huntington's disease

Question 11

Emma and Anna are identical twins who were adopted by different families a few weeks after birth.Although genetically identical,they grew up with different physical and psychological characteristics.For example,though both inherited a tendency to grow large,Anna was slim and athletic due to the active lifestyle practiced in her adoptive family.This variability can be explained by how:

Accepted Answer

A)  each zygote is unique. 
B)  longevity genes can make an individual less vulnerable to certain diseases. 
C)  for each genotype,a range of phenotypes can be expressed. 
D)  mutated genes can be a source of genetic variability. 
A)  each zygote is unique. 
B)  longevity genes can make an individual less vulnerable to certain diseases. 
C)  for each genotype,a range of phenotypes can be expressed. 
D)  mutated genes can be a source of genetic variability.

Question 12

Define Gene F1F1F1S1F1F1F10 environment (G F1F1F1S1F1F1F10 E)interaction.Give an example of a study (either your own or one from the book)that could illustrate the interaction between genes and the environment.

Accepted Answer

Gene F1F1F1S1F1F1F10 environment (G F1F

Question 13

Jule's 23rd chromosome pair consists of an X chromosome and a Y chromosome.This indicates that Jule:

Accepted Answer

A)  has Down syndrome. 
B)  has XYY syndrome. 
C)  is a female. 
D)  is a male. 
A)  has Down syndrome. 
B)  has XYY syndrome. 
C)  is a female. 
D)  is a male.

Question 14

Melody and Harmony are identical twins.This means that they developed from:

Accepted Answer

A)  a single egg that was fertilized by a single sperm. 
B)  a single egg that was fertilized by two different sperms. 
C)  two eggs that were fertilized by a single sperm. 
D)  two eggs that were fertilized by two different sperms. 
A)  a single egg that was fertilized by a single sperm. 
B)  a single egg that was fertilized by two different sperms. 
C)  two eggs that were fertilized by a single sperm. 
D)  two eggs that were fertilized by two different sperms.

Question 15

_____ is a gene-linked abnormality in which the central nervous system deteriorates,producing problems in muscle coordination and mental deterioration.

Accepted Answer

A)  Cystic fibrosis 
B)  Phenylketonuria 
C)  Huntington's disease 
D)  Tay-Sachs disease 
A)  Cystic fibrosis 
B)  Phenylketonuria 
C)  Huntington's disease 
D)  Tay-Sachs disease

Question 16

List five gene-linked abnormalities.

Accepted Answer

Cystic fibrosis,diabetes,hemop

Question 17

Samantha has been diagnosed with _____,which is a glandular dysfunction that interferes with mucus production.

Accepted Answer

A)  cystic fibrosis 
B)  Huntington's disease 
C)  phenylketonuria 
D)  Tay-Sachs disease 
A)  cystic fibrosis 
B)  Huntington's disease 
C)  phenylketonuria 
D)  Tay-Sachs disease

Question 18

Jason was born with _____.The doctor tells his parents that this genetic disorder occurred because he has an extra copy of chromosome 21.

Accepted Answer

A)  fragile X syndrome 
B)  Klinefelter disease 
C)  Down syndrome 
D)  Tay Sach's disease 
A)  fragile X syndrome 
B)  Klinefelter disease 
C)  Down syndrome 
D)  Tay Sach's disease

Question 19

Except for the sperm and the egg,all cells in the human body have _____ chromosomes.

Accepted Answer

A)  10 
B)  32 
C)  23 
D)  46 
A)  10 
B)  32 
C)  23 
D)  46

Question 20

Benny has been diagnosed with a gene-linked abnormality characterized by deceleration of mental and physical development caused by an accumulation of lipids in the nervous system.He has been put on medication and a special diet,but his family has been told that he will probably not live beyond the age of five.Benny is suffering from:

Accepted Answer

A)  spina bifida. 
B)  Tay-Sachs disease. 
C)  phenylketonuria. 
D)  Huntington's disease. 
A)  spina bifida. 
B)  Tay-Sachs disease. 
C)  phenylketonuria. 
D)  Huntington's disease.

Which of the following is true of phenylketonuria?

Name and describe three prenatal diagnostic tests.

Gwendolyn is having a prenatal test where her doctor uses high-frequency sound waves directed into her abdomen to check her fetus.She is most likely having a(n)_____.

_____ are the building blocks of cells as well as the regulators that direct the body's processes.

Which of the following is true of mitosis?

Tom is a tall man with undeveloped testes and enlarged breasts.His doctor has determined that he has an extra X chromosome leading to the diagnosis of:

What are the three ways that heredity and environment are correlated as described by behavior geneticist Sandra Scarr.

For each genotype,a range of _____ can be expressed,thus providing a source of variability.

Palomar is pregnant.During the early stages of her pregnancy,the single zygote splits into two genetically identical replicas.Her doctor tells her she is going to have _____ twins.

Tamera has a genetic disorder where her red blood cells take on a hook shape instead of the normal disk shape.The doctors tell Tamera's parents that she has _____,and that this condition also provides her with a resistance to malaria.

Define Gene  environment (G  E)interaction.Give an example of a study (either your own or one from the book)that could illustrate the interaction between genes and the environment.

Jule's 23^rd chromosome pair consists of an X chromosome and a Y chromosome.This indicates that Jule:

Melody and Harmony are identical twins.This means that they developed from:

_____ is a gene-linked abnormality in which the central nervous system deteriorates,producing problems in muscle coordination and mental deterioration.

List five gene-linked abnormalities.

Samantha has been diagnosed with _____,which is a glandular dysfunction that interferes with mucus production.

Jason was born with _____.The doctor tells his parents that this genetic disorder occurred because he has an extra copy of chromosome 21.

Except for the sperm and the egg,all cells in the human body have _____ chromosomes.

Introduction

Prenatal Development and Birth

Physical Development in Infancy

Cognitive Development in Infancy

Socioemotional Development in Infancy

Physical and Cognitive Development in Early Childhood

Socioemotional Development in Early Childhood

Physical and Cognitive Development in Middle and Late Childhood

Socioemotional Development in Middle and Late Childhood

Physical and Cognitive Development in Adolescence

Socioemotional Development in Adolescence

Physical and Cognitive Development in Early Adulthood

Socioemotional Development in Early Adulthood

Physical and Cognitive Development in Middle Adulthood

Socioemotional Development in Middle Adulthood

Physical Development in Late Adulthood

Cognitive Development in Late Adulthood

Socioemotional Development in Late Adulthood

Death,Dying,and Grieving

Filters

Exam 2: Biological Beginnings

Which of the following is true of phenylketonuria?

Name and describe three prenatal diagnostic tests.

Gwendolyn is having a prenatal test where her doctor uses high-frequency sound waves directed into her abdomen to check her fetus.She is most likely having a(n)_____.

_____ are the building blocks of cells as well as the regulators that direct the body's processes.

Which of the following is true of mitosis?

Tom is a tall man with undeveloped testes and enlarged breasts.His doctor has determined that he has an extra X chromosome leading to the diagnosis of:

What are the three ways that heredity and environment are correlated as described by behavior geneticist Sandra Scarr.

For each genotype,a range of _____ can be expressed,thus providing a source of variability.

Palomar is pregnant.During the early stages of her pregnancy,the single zygote splits into two genetically identical replicas.Her doctor tells her she is going to have _____ twins.

Tamera has a genetic disorder where her red blood cells take on a hook shape instead of the normal disk shape.The doctors tell Tamera's parents that she has _____,and that this condition also provides her with a resistance to malaria.

Define Gene  environment (G  E)interaction.Give an example of a study (either your own or one from the book)that could illustrate the interaction between genes and the environment.

Jule's 23rd chromosome pair consists of an X chromosome and a Y chromosome.This indicates that Jule:

Melody and Harmony are identical twins.This means that they developed from:

_____ is a gene-linked abnormality in which the central nervous system deteriorates,producing problems in muscle coordination and mental deterioration.

List five gene-linked abnormalities.

Samantha has been diagnosed with _____,which is a glandular dysfunction that interferes with mucus production.

Jason was born with _____.The doctor tells his parents that this genetic disorder occurred because he has an extra copy of chromosome 21.

Except for the sperm and the egg,all cells in the human body have _____ chromosomes.

Introduction

Prenatal Development and Birth

Physical Development in Infancy

Cognitive Development in Infancy

Socioemotional Development in Infancy

Physical and Cognitive Development in Early Childhood

Socioemotional Development in Early Childhood

Physical and Cognitive Development in Middle and Late Childhood

Socioemotional Development in Middle and Late Childhood

Physical and Cognitive Development in Adolescence

Socioemotional Development in Adolescence

Physical and Cognitive Development in Early Adulthood

Socioemotional Development in Early Adulthood

Physical and Cognitive Development in Middle Adulthood

Socioemotional Development in Middle Adulthood

Physical Development in Late Adulthood

Cognitive Development in Late Adulthood

Socioemotional Development in Late Adulthood

Death,Dying,and Grieving

Filters

Jule's 23^rd chromosome pair consists of an X chromosome and a Y chromosome.This indicates that Jule: