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Modern Genetics
Test Description: An overview of modern genetics
Instructions: Answer all questions to get your test result.
1) Multiple alleles are:
A
Alleles that have been genetically modified
B
What happens after meiosis
C
Genes that are carried on the sex chromosomes
D
Genes that have more than two alleles involved
2) When many genes work together to control a trait, there are:
A
No phenotypes
B
One phenotype on one side of the body, a different phenotype on the other side of the body
C
A small selection of phenotypes
D
A wide range of phenotypes
3) Men always have this combination of sex chromosome
A
XZ
B
XX
C
YY
D
XY
4) When a person inherits an abnormal condition through genes or chromosomes, that condition is called a
A
karyotype
B
genetic array
C
genetic disorder
D
clone
5) When geneticists look at inheritance patterns in a specific family, they use a
A
Ancestry schematic
B
Genome
C
Punnett square
D
Pedigree
6) In a pedigree, what does a square represent?
A
Someone with the condition
B
Female
C
Carrier
D
Male
7) A special type of picture of all of the chromosomes in a cell is called
A
DNA fingerprint
B
Caricature
C
clone
D
Karyotype
8) In this method, organisms with desired traits are specifically chosen to be the parents for the next generation.
A
Selective breeding
B
Gene Therapy
C
Cloning
D
Genetic Engineering
9) The method of treating certain genetic disorders by injecting corrected copies of a gene directly into the patient is called
A
Gene therapy
B
Selective breeding
C
Cloning
D
Biomedical research
10) What is the main goal of the Human Genome Project?
A
To create technology to insert human genes into bacteria
B
To identify the DNA sequence of every human gene
C
To map out the neural pathways in the brain
D
To find and treat genetic disorders
11) All human females have a genetic makeup of
A
XY
B
XX
C
YY
D
XZ
12) What is a phenotype?
A
The physical characteristics shown
B
When multiple alleles are needed to express a trait
C
The genetic makeup
D
A picture of the genes
13) What is a genetic counselor?
A
A person who determines if gene therapy is needed
B
A person who advises a couple about their chances of having a child with a genetic disorder
C
A person who maps out the human genome
D
A person who makes decisions about selective breeding
14) What is a clone?
A
A mutation
B
An organism that is genetic identical to the organism it was produced from
C
An android developed to help with genetic disorders
D
A selective breeding technique used to eliminate genetic flaws
15) What is a genome?
A
A genetic cross between two similar organisms
B
A cross between 2 genetic pools
C
A map of the neural pathways in the brain
D
All the DNA in one cell of an organism
16) How are sex cells different from other cells?
A
They die during meiosis
B
The have only genes that determine sex and no other genetic information
C
They have half of the number of chromosomes
D
The have twice as many chromosomes
17) What effect could being malnourished have any on a child?
A
They might develop a genetic disorder
B
They may not grow as tall as they otherwise would
C
They might grow taller than than they otherwise would
D
They might develop lung problems
18) A genetic disorder is caused
A
only by a mutation in the chromosome
B
by a number of factors, but is passed from parent to offspring
C
only by a translation error
D
only by changes in the number of chromosomes
19) If red hair is recessive: r, which allele combination would have red hair?
A
rR
B
rr
C
RR
D
Rr
20) What is a sex linked trait?
A
What causes preferences
B
A trait that makes someone male or female
C
Inheritance of dominant alleles
D
A gene that is located on the sex chromosome, either the X or the Y
*select an answer for all questions
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