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