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WorksheetsGenetics
Total questions: 24
Worksheet time: 18mins
Name
Class
Date
1.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
2.
Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?
a)
Purebred
b)
Hybrid
3.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
4.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
5.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
6.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
7.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
8.
Which of the following genotypes is a purebred?
a)
Bb
b)
Gg
c)
bb
d)
Dd
9.
What is the definition of phenotype?
a)
The physical expression of a trait
b)
The genetic combination of alleles
c)
A gene on the DNA strand
10.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
11.
Which of the following genotypes would be considered heterozygous?
a)
BB
b)
gg
c)
Ff
d)
TT
12.
Which of the following is a phenotype?
a)
Bb
b)
Black fur
13.
What is the percentage of offspring that have green pods?
a)
100%
b)
75%
c)
50%
d)
25%
14.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
15.
What is the definition of genotype?
a)
The physical expression of a trait
b)
The genetic combination of alleles
c)
the genes on a DNA strand
16.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
17.
A human usually has _____ total chromosomes.
a)
6
b)
22
c)
4
d)
46
18.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
19.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
20.
one set of instructions for an inherited trait
a)
heredity
b)
allele
c)
trait
d)
gene
21.
one of the alternative forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
22.
an organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
genetics
d)
heterozygous
23.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
trait
c)
DNA
d)
gene
24.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
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