Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genetics Vocabulary

Total questions: 28

Worksheet time: 19mins

Name
Class
Date
1.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
2.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
3.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
4.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
5.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
6.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
7.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
8.
One form of a gene is called_______________
a)
a DNA
b)
a Phenotype
c)
a trait
d)
an allele
9.
the condensed form of DNA is called________________
a)
an allele
b)
a gene
c)
a chromosome
d)
a phenotype
10.
Which of the following is a phenotype?
a)
Bb
b)
Black fur
11.
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
12.
The study of heredity and the variation of inherited characteristics 
a)
gene
b)
genetics 
c)
meiosis 
d)
hybrid 
13.
 which is heterozygous ?  
a)
Tt
b)
TT
14.
Which is homozygous ?
a)
Zz
b)
SS
15.
what predicts the outcome
a)
genetic engineering
b)
punnet square
c)
probability
16.

allele

a)

the different forms of a gene

b)

the set of information that controls a trait

c)

an allele that is masked when a dominant allele is present

17.

homozygous

a)

an organism that has 2 identical alleles

b)

an organism that has 2 different alleles

c)

events that occur

18.

heterozygous

a)

an organism with 3 of the same alleles

b)

an organism with 2 different alleles

c)

an unidentified animal

19.
Which of the following genotypes is homozygous recessive?
a)
RR
b)
Rr
c)
rr
d)
None of the Above
20.
True/False: Different genotypes can code for the same phenotype.
a)
True
b)
False
21.
This image shows a...
a)
Punnett Square
b)
Phenotype
c)
Genotype
d)
Dominant allele
22.
 Dominant alleles are-
a)
capital
b)
lowercase
c)
both
d)
neither
23.
 Recessive alleles are-
a)
capital
b)
lowercase
c)
both
d)
neither
24.
Tt is-
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
25.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
26.
What is the genotype for this organism?
(E= 3 eyes, e= 1 eye)
a)
EE
b)
Ee
c)
ee
d)
EE or Ee
27.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
28.
Which represents the genotype of a homozygous condition?
a)
Bb
b)
BC
c)
bb
d)
bc