Question 1

Persons with cyclic neutropenia display a decrease in the number of which circulating cells?

Accepted Answer

A)  Chromosomes 
B)  Neutrophils 
C)  Phenotypes 
D)  RNA 
A)  Chromosomes 
B)  Neutrophils 
C)  Phenotypes 
D)  RNA B

Question 2

MATCHING
For each genetic definition below, select the corresponding genetic term from the list provided.
-The observable appearance of an individual

Accepted Answer

A) Autosomes 
B) Gamete 
C) Locus 
D) Mutation 
E) Phenotype
F)Syndrome 
A) Autosomes 
B) Gamete 
C) Locus 
D) Mutation 
E) Phenotype
F)Syndrome E

Question 3

Euploid, polyploid, and aneuploid are all terms relating to a(n) _____ of chromosomes.

Accepted Answer

A)  alteration in the structure 
B)  abnormal rearrangement 
C)  alteration in the number 
D)  duplication 
A)  alteration in the structure 
B)  abnormal rearrangement 
C)  alteration in the number 
D)  duplication C

Question 4

Which statement is true of oogenesis?

Accepted Answer

A)  Oogenesis starts around the time of puberty. 
B)  The second meiosis is completed at the beginning of ovulation. 
C)  Nondisjunction is more prevalent in male spermatogenesis than in female oogenesis. 
D)  The older the woman, the greater the chance of shedding a trisomic ovum. 
A)  Oogenesis starts around the time of puberty. 
B)  The second meiosis is completed at the beginning of ovulation. 
C)  Nondisjunction is more prevalent in male spermatogenesis than in female oogenesis. 
D)  The older the woman, the greater the chance of shedding a trisomic ovum.

Question 5

Which clinical syndrome caused by gross chromosomal abnormalities is associated with bilateral cleft lip and palate, microphthalmia or anophthalmia, and polydactyly?

Accepted Answer

A)  Trisomy 13 
B)  Trisomy 21 
C)  Turner syndrome 
D)  Klinefelter syndrome 
A)  Trisomy 13 
B)  Trisomy 21 
C)  Turner syndrome 
D)  Klinefelter syndrome

Question 6

MATCHING
For each genetic definition below, select the corresponding genetic term from the list provided.
-Set of signs or symptoms occurring together

Accepted Answer

A) Autosomes 
B) Gamete 
C) Locus 
D) Mutation 
E) Phenotype
F)Syndrome 
A) Autosomes 
B) Gamete 
C) Locus 
D) Mutation 
E) Phenotype
F)Syndrome

Question 7

The basic defect responsible for osteogenesis imperfecta is produced by various mutations affecting the genes that encode type I collagen, resulting in

Accepted Answer

A)  lack of otic ossicles. 
B)  unilateral or bilateral aplasia or hypoplasia of clavicles. 
C)  overgrowth of cortical bone in the midline of the palate. 
D)  abnormally formed bones that fracture easily. 
A)  lack of otic ossicles. 
B)  unilateral or bilateral aplasia or hypoplasia of clavicles. 
C)  overgrowth of cortical bone in the midline of the palate. 
D)  abnormally formed bones that fracture easily.

Question 8

In addition to the development of the neurofibromas, what is the prominent clinical manifestation seen with a patient with von Recklinghausen disease?

Accepted Answer

A)  Café au lait pigmentation of the skin 
B)  Spider-like telangiectases on the lips, eyelids, and nose 
C)  Abnormally formed bones that fracture easily 
D)  Blue sclera 
A)  Café au lait pigmentation of the skin 
B)  Spider-like telangiectases on the lips, eyelids, and nose 
C)  Abnormally formed bones that fracture easily 
D)  Blue sclera

Question 9

During translation

Accepted Answer

A)  polypeptides form an amino acid, and one or more amino acids form a protein. 
B)  amino acids form a polypeptide, and one or more polypeptides form a protein. 
C)  proteins form a polypeptide, and one or more polypeptides form an amino acid. 
D)  amino acids form a protein, and one or more proteins form a polypeptide. 
A)  polypeptides form an amino acid, and one or more amino acids form a protein. 
B)  amino acids form a polypeptide, and one or more polypeptides form a protein. 
C)  proteins form a polypeptide, and one or more polypeptides form an amino acid. 
D)  amino acids form a protein, and one or more proteins form a polypeptide.

Question 10

Which statement is true regarding gross chromosomal abnormalities involving alterations in the number of human chromosomes?

Accepted Answer

A)  Aneuploidy is a complete second set of chromosomes, meaning a total of 46. 
B)  Polyploidy is any number of chromosomes that do not represent an exact multiple of the total chromosome complement. 
C)  Euploidy is a complete second set of chromosomes, meaning a total of 46. 
D)  Aneuploidy may be represented by trisomy and monosomy. 
A)  Aneuploidy is a complete second set of chromosomes, meaning a total of 46. 
B)  Polyploidy is any number of chromosomes that do not represent an exact multiple of the total chromosome complement. 
C)  Euploidy is a complete second set of chromosomes, meaning a total of 46. 
D)  Aneuploidy may be represented by trisomy and monosomy.

Question 11

For each clinical syndrome below, select the corresponding chromosomal abnormality from the list provided.
-Trisomy 21

Accepted Answer

A) Characterized by multiple abnormalities in various organs 
B) Down syndrome as a result of nondisjunction 
C) Nondisjunction of the X chromosome in the paternal gamete 
D) Deletion on the short arm of chromosome 5 
E) Fertilized ovum has two X chromosomes plus a Y chromosome 
A) Characterized by multiple abnormalities in various organs 
B) Down syndrome as a result of nondisjunction 
C) Nondisjunction of the X chromosome in the paternal gamete 
D) Deletion on the short arm of chromosome 5 
E) Fertilized ovum has two X chromosomes plus a Y chromosome

Question 12

Murray-Puretic-Drescher syndrome is also known as

Accepted Answer

A)  cherubism. 
B)  gingival fibromatosis with multiple hyaline fibromas. 
C)  gingival fibromatosis with hypertrichosis, epilepsy, and mental retardation syndrome. 
D)  Laband syndrome. 
A)  cherubism. 
B)  gingival fibromatosis with multiple hyaline fibromas. 
C)  gingival fibromatosis with hypertrichosis, epilepsy, and mental retardation syndrome. 
D)  Laband syndrome.

Question 13

During meiosis, if chromosomes crossing over do not separate and both migrate to the same cell, a germ cell with an extra chromosome results. What is the term to describe this occurrence?

Accepted Answer

A)  Nondisjunction 
B)  Chiasmata 
C)  Translation 
D)  Alleles 
A)  Nondisjunction 
B)  Chiasmata 
C)  Translation 
D)  Alleles

Question 14

Cyclic neutropenia is so named because this condition

Accepted Answer

A)  has more than one inheritance pattern. 
B)  has environmental factors that participate in its cause. 
C)  displays a decrease in the number of neutrophils that occur in cycles of 21 to 27 days. 
D)  allows persons to carry a gene with a dominant effect without any clinical manifestations. 
A)  has more than one inheritance pattern. 
B)  has environmental factors that participate in its cause. 
C)  displays a decrease in the number of neutrophils that occur in cycles of 21 to 27 days. 
D)  allows persons to carry a gene with a dominant effect without any clinical manifestations.

Question 15

Which is true about making a karyotype?

Accepted Answer

A)  Arginine may be used to arrest the mitosis of leukocytes at metaphase. 
B)  Colchicine may be used to arrest the mitosis of leukocytes at metaphase. 
C)  Colchicine may be used to arrest the mitosis of red blood cells at anaphase. 
D)  It is used to evaluate molecular abnormalities in chromosomes. 
A)  Arginine may be used to arrest the mitosis of leukocytes at metaphase. 
B)  Colchicine may be used to arrest the mitosis of leukocytes at metaphase. 
C)  Colchicine may be used to arrest the mitosis of red blood cells at anaphase. 
D)  It is used to evaluate molecular abnormalities in chromosomes.

Question 16

Primitive germ cells have _____ chromosomes and are termed _____.

Accepted Answer

A)  23; diploid 
B)  46; haploid 
C)  23; haploid 
D)  46; diploid 
A)  23; diploid 
B)  46; haploid 
C)  23; haploid 
D)  46; diploid

Question 17

Which term describes less than the normal amount of hair?

Accepted Answer

A)  Hypoplastic 
B)  Hypotrichosis 
C)  Haploid 
D)  Nondisjunction 
A)  Hypoplastic 
B)  Hypotrichosis 
C)  Haploid 
D)  Nondisjunction

Question 18

Which type of RNA carries the message for translation of DNA to ribosomes in the cytoplasm?

Accepted Answer

A)  mRNA 
B)  tRNA 
C)  rRNA 
D)  hnRNA 
A)  mRNA 
B)  tRNA 
C)  rRNA 
D)  hnRNA

Question 19

Radicular dentin dysplasia is characterized by teeth with _____ crowns and _____ roots.

Accepted Answer

A)  normal; normal 
B)  normal; abnormal 
C)  abnormal; normal 
D)  abnormal; abnormal 
A)  normal; normal 
B)  normal; abnormal 
C)  abnormal; normal 
D)  abnormal; abnormal

Question 20

Which statement is true concerning hemophilia A?

Accepted Answer

A)  It is inherited as an X-linked dominant condition. 
B)  It is inherited as a Y-linked recessive condition. 
C)  All X chromosomes are abnormal in the female carrier. 
D)  Female carriers tend to bleed more than usual after extraction of teeth or scaling and curettage. 
A)  It is inherited as an X-linked dominant condition. 
B)  It is inherited as a Y-linked recessive condition. 
C)  All X chromosomes are abnormal in the female carrier. 
D)  Female carriers tend to bleed more than usual after extraction of teeth or scaling and curettage.

Persons with cyclic neutropenia display a decrease in the number of which circulating cells?

MATCHING For each genetic definition below, select the corresponding genetic term from the list provided. -The observable appearance of an individual

Euploid, polyploid, and aneuploid are all terms relating to a(n) _____ of chromosomes.

Which statement is true of oogenesis?

Which clinical syndrome caused by gross chromosomal abnormalities is associated with bilateral cleft lip and palate, microphthalmia or anophthalmia, and polydactyly?

MATCHING For each genetic definition below, select the corresponding genetic term from the list provided. -Set of signs or symptoms occurring together

The basic defect responsible for osteogenesis imperfecta is produced by various mutations affecting the genes that encode type I collagen, resulting in

In addition to the development of the neurofibromas, what is the prominent clinical manifestation seen with a patient with von Recklinghausen disease?

During translation

Which statement is true regarding gross chromosomal abnormalities involving alterations in the number of human chromosomes?

For each clinical syndrome below, select the corresponding chromosomal abnormality from the list provided. -Trisomy 21

Murray-Puretic-Drescher syndrome is also known as

During meiosis, if chromosomes crossing over do not separate and both migrate to the same cell, a germ cell with an extra chromosome results. What is the term to describe this occurrence?

Cyclic neutropenia is so named because this condition

Which is true about making a karyotype?

Primitive germ cells have _ chromosomes and are termed _.

Which term describes less than the normal amount of hair?

Which type of RNA carries the message for translation of DNA to ribosomes in the cytoplasm?

Radicular dentin dysplasia is characterized by teeth with _ crowns and _ roots.

Which statement is true concerning hemophilia A?

Introduction to Preliminary Diagnosis of Oral Lesions

Inflammation and Repair

Immunity and Immunologic Oral Lesions

Infectious Diseases

Developmental Disorders

Neoplasia

Nonneoplastic Diseases of Bone

Oral Manifestations of Systemic Diseases

Orofacial Pain and Diseases Affecting the Temporomandibular Joint

Filters

Exam 6: Genetics

Persons with cyclic neutropenia display a decrease in the number of which circulating cells?

MATCHING For each genetic definition below, select the corresponding genetic term from the list provided. -The observable appearance of an individual

Euploid, polyploid, and aneuploid are all terms relating to a(n) _____ of chromosomes.

Which statement is true of oogenesis?

Which clinical syndrome caused by gross chromosomal abnormalities is associated with bilateral cleft lip and palate, microphthalmia or anophthalmia, and polydactyly?

MATCHING For each genetic definition below, select the corresponding genetic term from the list provided. -Set of signs or symptoms occurring together

The basic defect responsible for osteogenesis imperfecta is produced by various mutations affecting the genes that encode type I collagen, resulting in

In addition to the development of the neurofibromas, what is the prominent clinical manifestation seen with a patient with von Recklinghausen disease?

During translation

Which statement is true regarding gross chromosomal abnormalities involving alterations in the number of human chromosomes?

For each clinical syndrome below, select the corresponding chromosomal abnormality from the list provided. -Trisomy 21

Murray-Puretic-Drescher syndrome is also known as

During meiosis, if chromosomes crossing over do not separate and both migrate to the same cell, a germ cell with an extra chromosome results. What is the term to describe this occurrence?

Cyclic neutropenia is so named because this condition

Which is true about making a karyotype?

Primitive germ cells have _____ chromosomes and are termed _____.

Which term describes less than the normal amount of hair?

Which type of RNA carries the message for translation of DNA to ribosomes in the cytoplasm?

Radicular dentin dysplasia is characterized by teeth with _____ crowns and _____ roots.

Which statement is true concerning hemophilia A?

Introduction to Preliminary Diagnosis of Oral Lesions

Inflammation and Repair

Immunity and Immunologic Oral Lesions

Infectious Diseases

Developmental Disorders

Neoplasia

Nonneoplastic Diseases of Bone

Oral Manifestations of Systemic Diseases

Orofacial Pain and Diseases Affecting the Temporomandibular Joint

Filters

Primitive germ cells have _ chromosomes and are termed _.

Radicular dentin dysplasia is characterized by teeth with _ crowns and _ roots.