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7.2 Punnett Vocabulary 2023

Total questions: 53

Worksheet time: 1hrs 12mins

Name
Class
Date
1.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
2.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
3.

How many alleles (letters) does each person carry for a trait?

a)

1

b)

2

c)

3

d)

4

4.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
5.

What you see, or the physical appearance.

(a)  

6.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
7.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
8.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
9.
What characteristic would a child NOT inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
10.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
11.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
12.

How many alleles (letters) do each person carry for a trait?

(a)  

13.
A characteristic that an organism can pass on to its offspring through its genes is ___________
a)
Trait
b)
Gene
c)
Allele
d)
Dominant
14.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
15.
Meiosis is 
a)
The particular alleles or letter combination
b)
a form of cell division that results in 4 different daughter cells
c)
a form of cell division that results in 2 identical daughter cells
d)
just like mitosis
16.
Select the answer that shows only Phenotypes.
a)
Gg, Green
b)
DD, Ff
c)
Tall, Blue
d)
Ss, Square
17.

What type of gene is represented by a capital letter? (D)

(a)  

18.

What type of gene is represented by a lowercase letter? (d)

(a)  

19.

What kind of genes are the same? (DD, dd)

(a)  

20.

What kind of genes are different? (Dd)

(a)  

21.

The passing of genetic material from parents to offspring (children)

a)

traits

b)

characteristics

c)

heredity

d)

phenotype

22.

The trait represented by a capital letter

a)

Recessive

b)

Dominant

c)

Phenotype

d)

Incomplete dominance

23.

The trait represented by a lower case letter

a)

Recessive

b)

Dominant

c)

Phenotype

d)

Incomplete Dominance

24.

The different versions of a gene or one of a pair of genes

a)

Dominant

b)

Recessive

c)

Allele

d)

Phenotype

25.

The actual gene makeup of an organism ( Tt)

a)

Genotype

b)

Phenotype

c)

Trait

d)

Characteristic

26.

The physical appearance or the visible characteristic "What you see"

a)

Genotype

b)

Phenotype

c)

Allele

d)

Dominant

27.

An organism with two alleles that are the same (TT or tt)

a)

Homozygous

b)

Heterozygous

c)

Trait

d)

Allele

28.

An organism that has alleles that are different for a trait (Tt)

a)

Homozygous

b)

Heterozygous

c)

Allele

d)

Trait

29.

Segment of DNA found in chromosomes that give instructions for producing a certain characteristic

a)

Dominant

b)

Recessive

c)

Gene

d)

Phenotype

30.

Which of the following are examples of phenotypes for pea plants? (choose all correct answers)

a)

purple flowers

b)

PP

c)

green seeds

d)

tall stems

e)

tt

31.

How do we write DOMINANT alleles?

a)

Capital letters

b)

Lower case

32.

Which of the following are examples of phenotypes for people? (choose all correct answers)

a)

brown eyes

b)

freckles

c)

BB

d)

Ff

e)

hitchhicker's thumb

33.

Choose ALL examples of HETEROZYGOUS genotypes

a)

Tt

b)

tt

c)

RR

d)

Hh

e)

Bb

34.

Choose ALL examples of HOMOZYGOUS genotypes.

a)

TT

b)

hh

c)

Rr

d)

bb

e)

Hh

35.
Phenotype or Genotype?
Eye color
a)
Phenotype 
b)
Genotype
36.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
37.
Phenotype or Genotype?
AA
a)
Phenotype
b)
Genotype
38.

A trait that masks another trait is

a)

dominant

b)

recessive

c)

strange

39.

The different forms of a gene

a)

alleles

b)

atoms

c)

proteins

d)

wheels

40.

The material that controls which traits are expressed in an organism.

a)

Gene

b)

Allele

c)

Trait

d)

Genotype

41.

The study of how traits are inherited through the interactions of genes.

a)

Genetics

b)

Heredity

c)

Trait

d)

Allele

42.

Ways of looking, thinking, or being that are passed down through the genes from parents to offspring.

a)

Trait

b)

Gene

c)

Recessive Trait

d)

Dominant Trait

43.

A trait that is covered over by another form of that trait.

a)

Recessive Trait

b)

Dominant Trait

c)

Allele

d)

Gene

44.

A trait that covers over another form of that trait.

a)

Dominant Trait

b)

Recessive Trait

c)

Allele

d)

Gene

45.

An organism that has both aleles in the same form: dominant or recessive

a)

Homozygous

b)

Heterozygous

c)

Heredity

d)

Allele

46.

An organism that has one dominant allele and one recessive allele.

a)

Heterozygous

b)

Homozygous

c)

Gene

d)

Trait

47.

blue eyes, curly hair

a)

genotype

b)

phenotype

48.

Tt, BB, rr

a)

genotype

b)

phenotype

49.

nn, ww, gg

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

50.

BB, RR, TT

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

51.

Tt, Bb, Ww

a)

heterozygous

b)

homozygous dominant

c)

homozygous recessive

52.

Which is heterozygous ?

a)

Tt

b)

TT

53.

Which is homozygous ?

a)

Ee

b)

EE

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