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Heredity final

Total questions: 17

Worksheet time: 8mins

Name
Class
Date
1.

What is a gene?

a)

The basic unit of heredity.

b)

A physical feature in a cell.

c)

Two different alleles for one trait.

d)

The observable characteristics of an organism.

2.
The passing of DNA from parents to offspring
a)
Generation
b)
Heredity
c)
Inheritance
d)
Traits
3.
What is a recessive allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
4.
What is a dominant allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
5.
The physical traits of an organism
a)
Teletype
b)
Genotype
c)
Mesotype
d)
Phenotype
6.

The genetic combination of an organism

a)

Mesotype

b)

Phenotype

c)

Teletype

d)

Genotype

7.
This means Same Gene
a)
Dominant
b)
Recessive
c)
Heterozygous
d)
Homozygous
8.
This means Different Gene
a)
Dominant
b)
Recessive
c)
Homozygous
d)
Heterozygous
9.
Genes always appear in pairs. Your parents donate ________ allele for every trait.
a)
1
b)
2
c)
23
d)
46
10.
____________________ are used to make predictions about the genotypes and phenotypes of offspring.
a)
Dominant Squares
b)
Punnett Grids
c)
Punnett Squares
d)
Recessive Squares
11.
What is Bb?
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Alleles
12.
What are the two genotypes that show the DOMINANT Phenotype
a)
GG, gg
b)
GG, Gg
c)
Gg, gg
13.
What is the only Genotype that shows the RECESSIVE Phenotype?
a)
GG
b)
Gg
c)
gg
14.

What is DNA made of?

a)

Chromosomes

b)

Nucleotides

c)

Energy

d)

Waste products

15.

If Sam is homozygous for black fur (bb) and Betty is heterozygous for brown fur (Bb)? What is the probability of their child being likely to have black fur?

a)

75%

b)

50%

c)

25%

d)

100%

16.

Which is an example of an acquired trait?

a)

blood type

b)

skin color

c)

hair color

d)

ability to ride a bike

17.

Which is an example of an inherited trait

a)

ability ride a bike

b)

ability to read

c)

freckles

d)

painting techinques