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Q 1/30
Score 0
How many total PAIRS of chromosomes does a normal human body cell have in its nucleus?
30
2
46
23
92
Q 2/30
Score 0
The first 22 pairs of chromosomes in a human body cell are considered ___________________.
30
Autosomes
Sex Chromosomes
30 questions
Q.
How many total PAIRS of chromosomes does a normal human body cell have in its nucleus?
1
30 sec
Q.
The first 22 pairs of chromosomes in a human body cell are considered ___________________.
2
30 sec
Q.
What disease is characterized by abnormally shaped red blood cells?
3
30 sec
Q.
What is heredity?
4
30 sec
Q.
When we say that a woman is a carrier for a genetic disease or disorder it means __________
5
30 sec
Q.
Which answer below lists genetic material from largest to smallest?
6
30 sec
Q.
Which of the following is a normal genotype of a human female?
7
30 sec
Q.
How are karyotypes helpful to scientists?
8
30 sec
Q.
Human blood type is controlled by three alleles: IA, IB and i. When a human is heterozygous IAIB, the individual expresses both alleles. In this way, human blood type provides an example of:
9
30 sec
Q.
Recessive sex-linked traits and diseases carried on the X chromosome, such as colorblindness, are more common:
10
30 sec
Q.
A mutation in DNA can:
11
30 sec
Q.
Gel electrophoresis is useful to scientists because:
12
30 sec
Q.
What percentage of human sperm cells carry an X chromosome?
13
30 sec
Q.
Which of the following statements best defines a genome?
14
30 sec
Q.
Which of the following does not come from nondisjunction?
15
30 sec
Q.
Which blood type is unique because it is homozygous recessive?
16
30 sec
Q.
Changes in the number of _________ cause genetic disorders?
17
30 sec
Q.
Because the human sperm cell contains both the X & Y Chromosomes it results in the genders of people to be roughly…
18
30 sec
Q.
What is the role of restriction enzymes in studying the human genome?
19
30 sec
Q.
What statement best describes Nondisjunction?
20
30 sec
Q.
An example of a ____________ is colorblindness because it can be passed from parent to offspring.
21
30 sec
Q.
A(An) ____________________ is a diagram that follows the inheritance of a single gene through several generations of a family.
22
30 sec
Q.
A person who has only one gene (one dominant, one recessive) for a genetic disorder and does not express the disorder is called a ______________.
23
30 sec
Q.
In the pedigree below, vertical lines are used to show what?
24
30 sec
Q.
In the pedigree below, horizontal lines are used to show what?
25
30 sec
Q.
In the pedigree below, circles are used to show what?
26
30 sec
Q.
In the pedigree below, squares are used to show what?
27
30 sec
Q.
In the pedigree below, a(n) unshaded/unfilled shape means what?
28
30 sec
Q.
In the pedigree below, a(n) shaded/filled-in shape means what?
29
30 sec
Q.
Consider the blood type chart below, which type is considered co-dominant because the person expresses more than one allele for blood type at once?
