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Genetics Vocabulary

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

the genetic make-up; the alleles (letters)

a)

genotype

b)

phenotype

2.

the physical or visible appearance of an organism; a trait we can see

a)

genotype

b)

phenotype

3.

blue eyes, curly hair

a)

genotype

b)

phenotype

4.

Tt, BB, rr

a)

genotype

b)

phenotype

5.

the different forms of a trait that make up a gene, R OR r

a)

allele

b)

dominant

c)

recessive

6.

purebred; the same gene pair

a)

homozygous

b)

heterozygous

7.

hybrid; a different gene pair

a)

homozygous

b)

heterozygous

8.

TT, tt

a)

homozygous

b)

heterozygous

9.

Rr, Ff

a)

homozygous

b)

heterozygous

10.

BB, RR, TT

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

11.

nn, ww, gg

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

12.

Tt, Bb, Ww

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

13.
A gene with two of the same alleles (DD or aa) is considered a __________ gene.
a)
Genotype
b)
Hybrid
c)
Gene
d)
Purebred
14.
A gene with a mix of alleles (Bb) is considered a _________ gene.
a)
Purebred
b)
Hybrid
c)
Homozygous
d)
Punnett
15.

You have two alleles (letters) on each gene.  Where do your alleles come from?

a)
From the grandparent you most resemble
b)
Your parents
c)
Your siblings
d)
You make them by yourself
16.
Study of how traits are inherited 
a)
Traits
b)
Genetics
c)
DNA
d)
Chromosomes
17.

A trait that overpowers the other trait, the stronger gene.

a)
Purebred
b)
Hybrid
c)
Dominant
d)
Recessive
18.

A trait that disappears, the weaker gene

a)
Purebred
b)
Hybrid
c)
Dominant
d)
Recessive
19.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
20.
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