Question 1

Organogenesis is

Accepted Answer

A) the process by which an embryo's sex organs (uterus,ovaries,penis,testes)are sufficiently formed to allow sex determination. 
B) the way the placenta,amnion,and umbilical cord begin to function. 
C) when the germinal stage ends and the next stage of prenatal development begins. 
D) the process by which the basic structures of the embryo's organs,organ systems,and body parts are completed. 
A) the process by which an embryo's sex organs (uterus,ovaries,penis,testes)are sufficiently formed to allow sex determination. 
B) the way the placenta,amnion,and umbilical cord begin to function. 
C) when the germinal stage ends and the next stage of prenatal development begins. 
D) the process by which the basic structures of the embryo's organs,organ systems,and body parts are completed.

Question 2

What does the most current research say about the exactness of traits in identical twins?

Accepted Answer

Identical twins are

Question 3

Lorna notices that her fetus has begun to kick and move.Her physician tells her that she can hear a heartbeat with a stethoscope.Lorna is most likely at what point in her pregnancy?

Accepted Answer

A) 9-12 weeks 
B) 13-16 weeks 
C) 17-20 weeks 
D) 32-36 weeks 
A) 9-12 weeks 
B) 13-16 weeks 
C) 17-20 weeks 
D) 32-36 weeks

Question 4

Carmelita has smoked an average of one pack of cigarettes per day throughout her pregnancy.How is this likely to affect her fetus?

Accepted Answer

A) The infant will have an elevated risk of mental retardation and deafness. 
B) The infant is likely to be born with physical deformities. 
C) The infant may weigh less than normal at birth. 
D) The research is unclear as to the effects of smoking on fetuses. 
A) The infant will have an elevated risk of mental retardation and deafness. 
B) The infant is likely to be born with physical deformities. 
C) The infant may weigh less than normal at birth. 
D) The research is unclear as to the effects of smoking on fetuses.

Question 5

Which stage begins when implantation is complete and continues through organogenesis?

Accepted Answer

A) Embryonic stage 
B) Germinal stage 
C) Fetal stage 
D) Teratogenic stage 
A) Embryonic stage 
B) Germinal stage 
C) Fetal stage 
D) Teratogenic stage

Question 6

Chromosomes are composed of which of the following?

Accepted Answer

A) Gametes contributed by ova and sperm 
B) Monozygotic and dizygotic genes 
C) Molecules of deoxyribonucleic acid 
D) Homozygous alleles arranged in ladder fashion 
A) Gametes contributed by ova and sperm 
B) Monozygotic and dizygotic genes 
C) Molecules of deoxyribonucleic acid 
D) Homozygous alleles arranged in ladder fashion

Question 7

Nadia is exposed to high levels of radiation during the 6th,7th,and 8th weeks of gestation.Which of the following organ structures in the fetus are most likely to show abnormalities?

Accepted Answer

A) Only the brain and spinal cord 
B) The heart and lungs 
C) The palate of the mouth and the ears 
D) Virtually all organ systems are vulnerable during this time. 
A) Only the brain and spinal cord 
B) The heart and lungs 
C) The palate of the mouth and the ears 
D) Virtually all organ systems are vulnerable during this time.

Question 8

Conception takes place in the ________.

Accepted Answer

The answer of Conception takes place in the ________....

Question 9

Under what circumstance(s)will a recessive gene be expressed?

Accepted Answer

A) When the gene is carried on the Y chromosome 
B) When the gene is from the mother 
C) When it is paired with another recessive gene for the same trait 
D) When it is carried on the X chromosome 
A) When the gene is carried on the Y chromosome 
B) When the gene is from the mother 
C) When it is paired with another recessive gene for the same trait 
D) When it is carried on the X chromosome

Question 10

What is a trisomy?

Accepted Answer

A) Three copies of a specific autosome 
B) Fragile-X syndrome 
C) A sex-linked syndrome 
D) A third pair of chromosomes 
A) Three copies of a specific autosome 
B) Fragile-X syndrome 
C) A sex-linked syndrome 
D) A third pair of chromosomes

Question 11

Give three examples of autosomal dominant disorders.

Accepted Answer

listed in the text are:
1. Hun

Question 12

________ receive information into the body of a neuron while ________ carry that information along the length of the neuron.

Accepted Answer

The answer of ________ receive information into the body of...

Question 13

The embryonic stage of gestation covers what time period?

Accepted Answer

A) The first month 
B) The first trimester 
C) The first 2 to 8 weeks 
D) The first 2 to 8 months 
A) The first month 
B) The first trimester 
C) The first 2 to 8 weeks 
D) The first 2 to 8 months

Question 14

At what period during gestation will a palate abnormality likely develop if the fetus is exposed to teratogens?

Accepted Answer

sometime b

Question 15

Which of the following best summarizes our understanding of the effects of maternal cocaine use on fetuses and infants?

Accepted Answer

A) The defects in the infant are usually cognitive;e.g. ,mental retardation. 
B) The effects are very similar to fetal alcohol spectrum disorder;e.g. ,physical defects and mental retardation. 
C) The effects are similar to those of heroin,such as high-pitched crying,tremors,and convulsions. 
D) The effects are not clearly understood because it is difficult to separate the effects of cocaine from those of poverty and other drugs. 
A) The defects in the infant are usually cognitive;e.g. ,mental retardation. 
B) The effects are very similar to fetal alcohol spectrum disorder;e.g. ,physical defects and mental retardation. 
C) The effects are similar to those of heroin,such as high-pitched crying,tremors,and convulsions. 
D) The effects are not clearly understood because it is difficult to separate the effects of cocaine from those of poverty and other drugs.

Question 16

Define the terms heterozygous and homozygous and give an example of each.

Accepted Answer

Homozygous means that an indiv

Question 17

Which of the following is true of a trait that is passed through mitochondrial inheritance?

Accepted Answer

A) It is inherited as a multifactorial trait. 
B) It is passed from a mother to her children. 
C) It is found only on the Y chromosome. 
D) It is a co-dominant trait. 
A) It is inherited as a multifactorial trait. 
B) It is passed from a mother to her children. 
C) It is found only on the Y chromosome. 
D) It is a co-dominant trait.

Question 18

Samson is taller and has a higher IQ than either of his parents.Which of the following terms would be used to explain this?

Accepted Answer

A) Adoption 
B) Multifactorial inheritance 
C) Environmentally influenced inheritance 
D) Polygenetic inheritance 
A) Adoption 
B) Multifactorial inheritance 
C) Environmentally influenced inheritance 
D) Polygenetic inheritance

Question 19

Children born to Japanese mothers who were pregnant during the bombing of Hiroshima displayed varying effects of disorders after birth.This variation can be explained in terms of ________ periods of development.

Accepted Answer

The answer of Children born to Japanese mothers who were...

Question 20

Which of the following is the best example of the proximodistal pattern of development during the prenatal period?

Accepted Answer

A) The spinal cord develops before the arms. 
B) The digestive organs are formed before the heart. 
C) Male growth patterns proceed more quickly than female patterns. 
D) Differentiation of the gonads occurs before the eyes are formed. 
A) The spinal cord develops before the arms. 
B) The digestive organs are formed before the heart. 
C) Male growth patterns proceed more quickly than female patterns. 
D) Differentiation of the gonads occurs before the eyes are formed.

Organogenesis is

What does the most current research say about the exactness of traits in identical twins?

Lorna notices that her fetus has begun to kick and move.Her physician tells her that she can hear a heartbeat with a stethoscope.Lorna is most likely at what point in her pregnancy?

Carmelita has smoked an average of one pack of cigarettes per day throughout her pregnancy.How is this likely to affect her fetus?

Which stage begins when implantation is complete and continues through organogenesis?

Chromosomes are composed of which of the following?

Nadia is exposed to high levels of radiation during the 6th,7th,and 8th weeks of gestation.Which of the following organ structures in the fetus are most likely to show abnormalities?

Conception takes place in the ________.

Under what circumstance(s)will a recessive gene be expressed?

What is a trisomy?

Give three examples of autosomal dominant disorders.

receive information into the body of a neuron while carry that information along the length of the neuron.

The embryonic stage of gestation covers what time period?

At what period during gestation will a palate abnormality likely develop if the fetus is exposed to teratogens?

Which of the following best summarizes our understanding of the effects of maternal cocaine use on fetuses and infants?

Define the terms heterozygous and homozygous and give an example of each.

Which of the following is true of a trait that is passed through mitochondrial inheritance?

Samson is taller and has a higher IQ than either of his parents.Which of the following terms would be used to explain this?

Children born to Japanese mothers who were pregnant during the bombing of Hiroshima displayed varying effects of disorders after birth.This variation can be explained in terms of ________ periods of development.

Which of the following is the best example of the proximodistal pattern of development during the prenatal period?

Basic Concepts and Methods

Theories of Development

Physical,Sensory,and Perceptual Development in Infancy

Cognitive Development in Infancy

Social and Personality Development in Infancy

Physical and Cognitive Development in Early Childhood

Social and Personality Development in Early Childhood

Physical and Cognitive Development in Middle Childhood

Social and Personality Development in Middle Childhood

Death,Dying,and Bereavement

Social and Personality Development in Adolescence

Physical and Cognitive Developmentin Early Adulthood

Social and Personality Developmentin Early Adulthood

Physical and Cognitive Developmentin Middle Adulthood

Social and Personality Developmentin Middle Adulthood

Physical and Cognitive Developmentin Late Adulthood

Social and Personality Developmentin Late Adulthood

Death,dying,and Bereavement

Filters

Exam 3: Prenatal Development and Birth

Organogenesis is

What does the most current research say about the exactness of traits in identical twins?

Lorna notices that her fetus has begun to kick and move.Her physician tells her that she can hear a heartbeat with a stethoscope.Lorna is most likely at what point in her pregnancy?

Carmelita has smoked an average of one pack of cigarettes per day throughout her pregnancy.How is this likely to affect her fetus?

Which stage begins when implantation is complete and continues through organogenesis?

Chromosomes are composed of which of the following?

Nadia is exposed to high levels of radiation during the 6th,7th,and 8th weeks of gestation.Which of the following organ structures in the fetus are most likely to show abnormalities?

Conception takes place in the ________.

Under what circumstance(s)will a recessive gene be expressed?

What is a trisomy?

Give three examples of autosomal dominant disorders.

________ receive information into the body of a neuron while ________ carry that information along the length of the neuron.

The embryonic stage of gestation covers what time period?

At what period during gestation will a palate abnormality likely develop if the fetus is exposed to teratogens?

Which of the following best summarizes our understanding of the effects of maternal cocaine use on fetuses and infants?

Define the terms heterozygous and homozygous and give an example of each.

Which of the following is true of a trait that is passed through mitochondrial inheritance?

Samson is taller and has a higher IQ than either of his parents.Which of the following terms would be used to explain this?

Children born to Japanese mothers who were pregnant during the bombing of Hiroshima displayed varying effects of disorders after birth.This variation can be explained in terms of ________ periods of development.

Which of the following is the best example of the proximodistal pattern of development during the prenatal period?

Basic Concepts and Methods

Theories of Development

Physical,Sensory,and Perceptual Development in Infancy

Cognitive Development in Infancy

Social and Personality Development in Infancy

Physical and Cognitive Development in Early Childhood

Social and Personality Development in Early Childhood

Physical and Cognitive Development in Middle Childhood

Social and Personality Development in Middle Childhood

Death,Dying,and Bereavement

Social and Personality Development in Adolescence

Physical and Cognitive Developmentin Early Adulthood

Social and Personality Developmentin Early Adulthood

Physical and Cognitive Developmentin Middle Adulthood

Social and Personality Developmentin Middle Adulthood

Physical and Cognitive Developmentin Late Adulthood

Social and Personality Developmentin Late Adulthood

Death,dying,and Bereavement

Filters

receive information into the body of a neuron while carry that information along the length of the neuron.