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WorksheetsGenetics Revision
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which term best describes the genotype Gg?
a)
Homozygous
b)
Heterozygous
c)
Pure bred
2.
The cell replication process mitosis creates new cells for what reason?
a)
cell growth and repair
b)
reproduction
3.
DNA replication occurs at the beginning of both Mitosis and Meiosis
a)
TRUE
b)
FALSE
4.
When crossing two heterozygous individuals the chance of an offspring displaying a recessive trait is:
a)
75%
b)
50%
c)
10%
d)
25%
5.
How many potential phenotypes are listed below?Gg, GG, gg
a)
1
b)
2
c)
3
6.
A strand of DNA contains the sequence AGCGTATAGTA. What would the complimentary strand look like?
a)
TCGTTATAGGC
b)
TCGCATATCAT
c)
TCGCAAATCAT
7.
In humans the parent responsible for determining the sex of a baby is the
a)
Male (XY)
b)
Female (XX)
8.
The famous scientist credited with pioneering modern genetics based on experiments using pea plants
a)
Watson
b)
Mendel
c)
Newton
d)
Crick
9.
Which of the following is not a potential genotype for a heterozygous plant trait
a)
Gg
b)
Gy
c)
GG
d)
Both Gy and GG
10.
Proteins are made of
a)
DNA
b)
Amino acids
c)
Genes
d)
Sugar
11.
A regular body cell in a human contains how many chromosomes?
a)
46
b)
48
c)
23 pairs
d)
Both 46 and 23 pairs are correct
12.
A coloured circle on a pedigree for colour blindness most likely represents;
a)
an affected female
b)
an affected male
c)
female carrier
d)
male carrier
13.
A trait that is more commonly displayed in each generation of offspring is said to be what?
a)
Recessive
b)
Dominant
c)
Sex-linked
14.
A corn crop that is resistant to pesticides is an example of
a)
a genetic mutation
b)
GMO
c)
evolution
15.
Gel electrophoresis is an example of technology used for what reason?
a)
DNA profiling
b)
creation of GMO's
c)
Medical tests for identify disease
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