Question 1

Genes on the X chromosomes are

Accepted Answer

A)  polygenic. 
B)  X-linked. 
C)  simple. 
D)  holandric. 
E)  Y-linked. 
A)  polygenic. 
B)  X-linked. 
C)  simple. 
D)  holandric. 
E)  Y-linked.

Question 2

Which gland is formed by an evagination from the floor of the diencephalon?

Accepted Answer

A)  anterior pituitary gland 
B)  posterior pituitary gland 
C)  thyroid gland 
D)  adrenal glands 
E)  pancreas 
A)  anterior pituitary gland 
B)  posterior pituitary gland 
C)  thyroid gland 
D)  adrenal glands 
E)  pancreas

Question 3

The onset of puberty is signaled by

Accepted Answer

A)  a growth spurt. 
B)  emotional upheaval. 
C)  attainment of full adult stature. 
D)  the ability to obtain a drivers license. 
E)  a halt to growth. 
A)  a growth spurt. 
B)  emotional upheaval. 
C)  attainment of full adult stature. 
D)  the ability to obtain a drivers license. 
E)  a halt to growth.

Question 4

A mutation involving a single nucleotide is a _____ mutation.

Accepted Answer

A)  deletion 
B)  duplication 
C)  nondisjunction 
D)  point 
E)  aneuploidy 
A)  deletion 
B)  duplication 
C)  nondisjunction 
D)  point 
E)  aneuploidy

Question 5

-The picture shows a mature placenta and fetus. What does "C" represent?

Accepted Answer

A)  umbilical vein 
B)  umbilical arteries 
C)  umbilical cord 
D)  placenta 
E)  endometrium 
A)  umbilical vein 
B)  umbilical arteries 
C)  umbilical cord 
D)  placenta 
E)  endometrium

Question 6

The greenish discharge from the lower digestive tract shortly after birth is called

Accepted Answer

A)  colostrum. 
B)  jaundice. 
C)  bile. 
D)  meconium. 
E)  prolactin. 
A)  colostrum. 
B)  jaundice. 
C)  bile. 
D)  meconium. 
E)  prolactin.

Question 7

The allantois enlarges to form the

Accepted Answer

A)  kidney. 
B)  gonads. 
C)  ureter. 
D)  urinary bladder. 
E)  urethra. 
A)  kidney. 
B)  gonads. 
C)  ureter. 
D)  urinary bladder. 
E)  urethra.

Question 8

What event separates childhood from adolescence?

Accepted Answer

A)  puberty 
B)  infancy 
C)  formation of germ layers 
D)  beginning to walk 
A)  puberty 
B)  infancy 
C)  formation of germ layers 
D)  beginning to walk

Question 9

An organism's genetic makeup is its ____ while its physical appearance is its ____.

Accepted Answer

A)  chromotype; phenotype 
B)  genotype; phenotype 
C)  phenotype; genotype 
D)  genotype; chromotype 
E)  aminotype; prototype 
A)  chromotype; phenotype 
B)  genotype; phenotype 
C)  phenotype; genotype 
D)  genotype; chromotype 
E)  aminotype; prototype

Question 10

A mistake during segregation of chromosomes is called

Accepted Answer

A)  deletion. 
B)  duplication. 
C)  nondisjunction. 
D)  point mutation. 
E)  aneuploidy 
A)  deletion. 
B)  duplication. 
C)  nondisjunction. 
D)  point mutation. 
E)  aneuploidy

Question 11

Which of the following organ systems is derived from all three germ layers?

Accepted Answer

A)  nervous 
B)  cardiovascular 
C)  endocrine 
D)  integumentary 
E)  skeletal 
A)  nervous 
B)  cardiovascular 
C)  endocrine 
D)  integumentary 
E)  skeletal

Question 12

Through what structure do epiblast cells migrate to form the mesoderm?

Accepted Answer

A)  lacunae 
B)  chorionic villi 
C)  hypoblast 
D)  primitive streak 
E)  blastocele 
A)  lacunae 
B)  chorionic villi 
C)  hypoblast 
D)  primitive streak 
E)  blastocele

Question 13

A gene that is responsible for producing trypsin in the pancreas would be a ____ gene.

Accepted Answer

A)  dominant 
B)  regulatory 
C)  structural 
D)  recessive 
E)  functional 
A)  dominant 
B)  regulatory 
C)  structural 
D)  recessive 
E)  functional

Question 14

The hormone(s) responsible for preparing the breasts for lactation during pregnancy is (are).

Accepted Answer

A)  estrogen. 
B)  progesterone. 
C)  oxytocin. 
D)  prolactin. 
E)  both estrogen and progesterone. 
A)  estrogen. 
B)  progesterone. 
C)  oxytocin. 
D)  prolactin. 
E)  both estrogen and progesterone.

Question 15

-The picture shows a full term pregnancy. What does "B" represent?

Accepted Answer

A)  placenta 
B)  umbilical cord 
C)  urinary bladder 
D)  mucus plug in cervical canal 
E)  vagina 
A)  placenta 
B)  umbilical cord 
C)  urinary bladder 
D)  mucus plug in cervical canal 
E)  vagina

Question 16

-What does "B" represent on the diagram?

Accepted Answer

A)  fertilization 
B)  morula 
C)  blastocyst 
D)  implantation 
E)  ovulation 
A)  fertilization 
B)  morula 
C)  blastocyst 
D)  implantation 
E)  ovulation

Question 17

The actual genetic constitution of an individual is its

Accepted Answer

A)  structural gene. 
B)  autosome. 
C)  genotype. 
D)  polygenic. 
E)  y-linked. 
A)  structural gene. 
B)  autosome. 
C)  genotype. 
D)  polygenic. 
E)  y-linked.

Question 18

Down Syndrome is an example of an aneuploidy called

Accepted Answer

A)  monosomy 21. 
B)  trisomy 21. 
C)  monosomy 23. 
D)  trisomy 17. 
E)  disomy 21. 
A)  monosomy 21. 
B)  trisomy 21. 
C)  monosomy 23. 
D)  trisomy 17. 
E)  disomy 21.

Question 19

Which of the following organs develops from evaginations along the early digestive tract?

Accepted Answer

A)  heart 
B)  adrenal medulla 
C)  lungs 
D)  nasal cavity 
E)  kidneys 
A)  heart 
B)  adrenal medulla 
C)  lungs 
D)  nasal cavity 
E)  kidneys

Question 20

The lungs develop from

Accepted Answer

A)  somitomeres. 
B)  neural crest cells. 
C)  an evagination from the foregut. 
D)  an evagination from the floor of the diencephalon. 
E)  an invagination from the hindgut. 
A)  somitomeres. 
B)  neural crest cells. 
C)  an evagination from the foregut. 
D)  an evagination from the floor of the diencephalon. 
E)  an invagination from the hindgut.

Exam 29: Development, Growth, Aging, and Genetics

Genes on the X chromosomes are

Which gland is formed by an evagination from the floor of the diencephalon?

The onset of puberty is signaled by

A mutation involving a single nucleotide is a _____ mutation.

-The picture shows a mature placenta and fetus. What does "C" represent?

The greenish discharge from the lower digestive tract shortly after birth is called

The allantois enlarges to form the

What event separates childhood from adolescence?

An organism's genetic makeup is its ____ while its physical appearance is its ____.

A mistake during segregation of chromosomes is called

Which of the following organ systems is derived from all three germ layers?

Through what structure do epiblast cells migrate to form the mesoderm?

A gene that is responsible for producing trypsin in the pancreas would be a ____ gene.

The hormone(s) responsible for preparing the breasts for lactation during pregnancy is (are).

-The picture shows a full term pregnancy. What does "B" represent?

-What does "B" represent on the diagram?

The actual genetic constitution of an individual is its

Down Syndrome is an example of an aneuploidy called

Which of the following organs develops from evaginations along the early digestive tract?

The lungs develop from

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Filters

An organism's genetic makeup is its while its physical appearance is its .