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WorksheetsGenetics Test Review
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
If a goat has 30 chromosomes in their haploid cells, how many chromosomes are in their gametes?
a)
30
b)
15
c)
60
d)
90
2.
Which is one reason scientists produce transgenic organisms?
a)
To create new species of orangisms
b)
To treat certain types of diseases
c)
To control micro-organisms is the soil
d)
To prevent habitats from being destroyed
3.
What process best explains how a nerve cell and a muscle cell can both develop from the same fertilized egg?
a)
selective breeding
b)
genetic engineering
c)
differentiation
d)
natural selection
4.
Which would most likely produce a mutation that is passed on to offspring?
a)
A gamete with an extra chromosome forming
b)
Tobacco smoke altering the genes in the lung cells
c)
Radiation changing the DNA sequence in the skin cells
d)
Exposure to chemicals altering nerve cell function
5.
Which will most likely cause variations to occur within a species?
a)
Competition
b)
Mutations
c)
Predation
d)
Mutualism
6.
How do prokaryotic cells divide?
a)
Binary Fission
b)
Non-disjunction
c)
Mitosis
d)
Meiosis
7.
How does DNA code for proteins in a cell?
a)
By creating a new double helix structure
b)
By arranging certain nitrogen bases of the cell in a particular order
c)
By using its phosphate and sugar molecules
d)
By adding more hydrogen bonds to its structure
8.
How many pairs of chromosomes are present in each human nerve cell?
a)
23
b)
26
c)
46
d)
42
9.
If a dog with black fur and a dog with white fur have offspring that are grey, what type of dominance is being demonstrated?
a)
Complete Dominance
b)
Incomplete Dominance
c)
Sex-linked Traits
d)
Codominance
10.
When cloning an organism, what is the purpose of the egg cell donor?
a)
She provides the nucleus for the cell that is being cloned
b)
She provides the 23 chromosomes needed from the mother to make the clone baby
c)
She provides a womb for the new cloned zygote
d)
She provides the cytoplasm for the new nucleus to be inserted into
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