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Heredity and Genetics Test Review

Total questions: 23

Worksheet time: 38mins

Name
Class
Date
1.

What is the correct phenotype for this fish?

a)

BB

b)

Blue and yellow

c)

Green and red

d)

BB, Bb, or bb

2.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
3.
A homozygous dominant plant (GG) and a homozygous recessive plant (gg) were cross. Green is dominant to yellow. What percentage of plants will be green?
a)
25%
b)
50%
c)
75%
d)
100%
4.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
5.
The dominant trait is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
6.
A dog with naturally long fur is shaved by her owner. She then becomes pregnant, and the father has long fur. Which will most likely be true about her offspring's fur?
a)
no fur
b)
long fur
c)
short fur
d)
medium length fur
7.
What is a gene?
a)
An entire chromosome that  codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
8.

In the Punnett square, White petal color ( W ) is dominant over purple petal color ( w ). Of the four offspring, how many will have the white phenotype?

a)

1

b)

2

c)

3

d)

4

9.
If red is dominant to white, what is the correct percentage for offspring for the cross pictured in this Punnett square?
a)
50% red, 50% white
b)
0% red, 100% white
c)
100% red, 0% white
d)
25% red, 75% white
10.
A heterozygous yellow pea plant's genotype would be:
a)
YY
b)
yy
c)
Yy
d)
Yg
11.

Which best explains why many animals look like their parents?

a)

Physical characteristics are inherited from their parents.

b)

Physical characteristics are adapted from their parents.

c)

Physical characteristics are learned from their parents.

d)

Physical characteristics are bought from their parents.

12.

Which of the following is true?

a)

1, 2, and 3 are carriers

b)

1 and 2 are the grandparent generation

c)

3 and 4 have heterozygous genotypes

d)

2 has the dominant phenotype

13.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
14.

If green (G) is dominant over purple (g), then what is the genotype for this organism?

a)

Purple

b)

Green

c)

Gg

d)

gg

15.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
16.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
17.

The dominant trait is..

a)

Green pea seeds

b)

Yellow pea seeds

c)

There is no dominant seed

d)

Jolly green giant

18.

The above pedigree is most consistent with the observation that Huntington's Disease is —

a)

A is carried on the X chromosome

b)

B a dominant phenotype

c)

C can be diagnosed on a karyotype

d)

D is a polygenic trait

19.
What % of the offspring in this cross are heterozygous?
a)
25
b)
50
c)
75
d)
100
20.
The cross between Ff x ff, as shown in the picture above, will produce which the following offspring? 
a)
FF, Ff, ff, Ff
b)
Ff, Ff, ff, ff
c)
Ff, ff, FF, Ff
d)
Ff, ff, Ff, ff
21.
The dominant trait is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
22.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
23.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous

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