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Exam- HDFS Midterm Exam| 94 Questions with Complete Solutions
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Exam- HDFS Midterm Exam| 94 Questions withComplete Solutions
Which characteristic is transmitted through a specific gene pool?
A. Body structure
B. Brain weight
C. Hair Color
D. Walking upright Correct Answer-Hair color
The DNA molecule is shaped like a ______.
A. Sphere
B. Twisted rope ladder
C. Cone
D. Pyramid Correct Answer-Twisted rope ladder
There are ____ pairs of chromosomes in the human cell.
A. 20
B. 23
C. 25
D. 28 Correct Answer-23
, Exam- HDFS Midterm Exam| 94 Questions with
Complete Solutions
Which of the following traits are found on one gene?
A. Sociability
B. Intelligence
C. Criminality
D. None of these Correct Answer-None of these
Male chromosomes are reflected by which pair listed below?
A. XY
B. YY
C. XX
D. AG Correct Answer-XY
The alternative states of a gene on the chromosome strands in a pair are called___.
A. DNA
B. Anomalies
C. Alleles
, Exam- HDFS Midterm Exam| 94 Questions with
Complete Solutions
D. Genotype Correct Answer-Alleles
The genetic information about a trait is called the _____.
A. Prototype
B. Genotype
C. Phenotype
D. Stereotype Correct Answer-Genotype
What is the probability that two heterozygous parents will produce a blue-eyed child?
A. .10
B. .25
C. .50
D. 0.0 Correct Answer-.25
How might genetic counseling influence the gene pool?
A. Deciding not to have children decreases the incidence of a disease over time.
B. Counseling increase the risk-taking behaviors of couples who carry a genetic disease .
, Exam- HDFS Midterm Exam| 94 Questions with
Complete Solutions
C. Counseling results in gene transfer therapy.
D. Genetic counseling cannot influence the gene pool. Correct Answer-Deciding not to
have children decreases the incidence of a disease over time.
Which of the following uses of genetic technology is LEAST controversial in today's society?
A. Cloning of mammals
B. Using gene therapy to treat a known disease
C. Gene transfer
D. Genetic fingerprinting Correct Answer-Using gene therapy to treat a known disease
The most common genetic cause of intellectual disability in the United States is
A. Down syndrome
B. Fetal alcohol syndrome
C. Tay Sachs disease
D. Turner's syndrome Correct Answer-Down Syndrome
Sperm can stay alive in the uterus for how long?
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