Blood typing is an example of __________________. This is where there is one gene but that one gene can have several different characteristics
a
multiple alleles
b
dihybrid trait
c
homozygous dominance
d
incomplete dominance
Question 2
A student can study a karyotype to learn about the . . .
a
Molecular structure of a chromosome.
b
Genes that are present in a particular strand of DNA
c
Medical history of an individual.
d
Chromosomes present in a somatic cell.
e
Eye and hair color of an organisms
Question 3
A pedigree can be used to
a
determinie whether a trait is inherited.
b
show how a trait is passed from one generation to the next.
c
determine whether an allele is dominant or recessive
d
all of the above
Question 4
Down syndrome occurs as a result of nondisjunction of chromosome 21 during cell division.
a
True
b
False
Question 5
Variation in human skin color is an example of a(n)
a
intermediate inheritance.
b
codominance.
c
polygenic inheritance.
d
multiple alleles.
How many chromosomes are shown in a normal human karyotype?
a
2
b
23
c
44
d
46
Question 8
Review the diagram.
Select the correct response regarding the relationship between photosynthesis and cellular respiration.
a
the reactants and products of photosynthesis has no relationship with the reactants and products of cellular respiration.
b
the products of cellular respiration are the reactants of photosynthesis.
c
the reactants of photosynthesis are the reactants of cellular respiration.
d
the products of cellular respiration are the products of photosynthesis.
Question 9
Is the trait in the pedigree below dominant or recessive?
a
dominant
b
recessive
c
not enough information to tell
Question 10
In fruit flies, the color of the eyes is sex linked (on the X chromosome). A cross of the flies in the image will produce
a
100% white eyed flies
b
100% of the females with white eyes, 50% of the males with white eyes.
c
100% red eyed flies
d
100% of the females with red eyes, 100% of the males with white eyes.
Question 11
Study the information on the chart and the graphic. What can you infer about photosynthesis?
a
The closer the light source, the higher the amount of oxygen gas.
b
The closer the light source, the higher the amount of carbon dioxide gas.
c
The closer the light source, the lower the amount of oxygen gas.
d
The closer the light source, the lower the amount of carbon dioxide gas.
Question 12
What type of inheritance is shown in the pedigree?
a
sex linked dominant
b
sex linked recessive
c
autosomal dominant
d
autosomal recessive
Question 13
This human karyotype is unusual because chromosome set –
a
5 has chromosomes of different shapes
b
10 is missing genetic material
c
14 has enlarged centromeres
d
21 has an extra chromosome
Question 14
The main goal of the Human Genome Project was to
a
treat genetic disorders.
b
insert human genes into bacteria.
c
identify the DNA sequence of every human gene.
d
to determine the number of chromosomes in humans
Question 15
What syndrome does this karyotype show?
a
down syndrome
b
turner's syndrome
c
klinefelters syndrome
d
normal male
