UPDATED ACTUAL Exam Questions and
CORRECT Answers
A cell which has the full complement of chromosomes, which is 46 chromosomes, or two of
each pair of homologous chromosomes, is known as:
a. Haploid
b. Diploid
c. Phenotype
d. Mitosis - CORRECT ANSWER - b. Diploid
Sperm and egg cells, which have only one of each pair of chromosomes, for a total of 23
chromosomes, are known as:
a. Haploid
b. Diploid
c. Phenotype
d. Mitosis - CORRECT ANSWER - a. Haploid
The physical traits which develop as a result of the genes one has, such as having blue eyes or
red hair, is known as the:
a. Genotype
b. Phenotype
c. Haploid
d. Diploid - CORRECT ANSWER - b. Phenotype
Blastocyst
a. Solid mass of cells about 72 hours after fertilization
b. Consists of an outer layer called a trophoblast and inner cell mass
,c. Early cell divisions causing the embryo to repeatedlyy double in cell number forming a ball of
cells - CORRECT ANSWER - b. Consists of an outer layer called a trophoblast and inner
cell mass
Which of the following will implant into the uterine wall?
a. Morula
b. Secondary follicle
c. Blastocyst
d. Polar body - CORRECT ANSWER - c. Blastocyst
This process results in the creation of haploid gametes (sperm and egg):
a. Meiosis
b. Diploid
c. Mitosis - CORRECT ANSWER - a. Meiosis
Meiosis results in variation and genetic diversity.
a. True
b. False - CORRECT ANSWER - a. True
The sexual characteristics which develop at puberty, such as facial ahir or wide hips or breast
development, are known as:
a. Primary sexual characteristics
b. Secondary sexual characteristics
c. Asexual characteristics
d. Tertiary sexual characteristics - CORRECT ANSWER - b. Secondary sexual
characteristics
Sex:
a. Anatomical, genetic and other biological factors
, b. Psychological, behavioral, social and cultural factors - CORRECT ANSWER - a.
Anatomical, genetic and other biological factors
Gender:
a. Anatomical, genetic and other biological factors
b. Psychological, behavioral, social and cultural factors - CORRECT ANSWER - b.
Psychological, behavioral, social and cultural factors
Trophoblast
a. Becomes the embryo
b. Becomes the placenta - CORRECT ANSWER - b. Becomes the placenta
Inner cell mass
a. Becomes the embryo
b. Becomes the placenta - CORRECT ANSWER - a. Becomes the embryo
Select the earilest time at which all of the primordial organs have formed:
a. Within 72 hours
b. By the end of the first trimester
c. After the second trimester - CORRECT ANSWER - b. By the end of the first trimester
After the zygote is formed from the union of the sperm and the egg, mitosis occurs such that
number of cells increase, but the diameter of the entire structure does not. This is known as:
a. Implantation
b. Fertilization
c. Cleavage
d. Parturition - CORRECT ANSWER - c. Cleavage