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