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Genetics: Summative

Total questions: 42

Worksheet time: 36mins

Name
Class
Date
1.

Inherited traits are controlled by

a)

nucleus

b)

chromosomes

c)

genes

d)

cells

2.
Who is considered the "father" of modern genetics?
a)
Einstein
b)
Mendel
c)
Disney
d)

Bill Nye

3.

A single/one trait cross such as flower color. (These are the types of Punnett Squares we have been workiing on)

HINT: Think of your prefix meanings!

a)

monohybrid

b)
dihybrid
c)
crossing over
d)
homozygous
4.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
5.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous 
6.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)

recessive

c)
genotype
d)
trait
7.

Y for yellow body is dominant over y for blue body.  What genotypes would code for/produce yellow bodies?

a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
8.
A physical characteristic that can be passed from parent to offspring.
a)
behavior
b)
trait
c)
strong muscles
d)
ability to fly a plane.
9.
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/look

10.
What is a phenotype
a)
The genetic make up (code)
b)

The physical trait/appearance

11.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
12.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
13.

Long tusks are dominant over short tusks which are reessive.

Create a Punnett square on your scratch paper to complete this problem.

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

a)
0%
b)
25%
c)
50%
d)
75%
14.

Jabba the Hutt has finally decided to settle down and have a family. He has undergone genetic testing and learned that he is heterozygous for Hutt Fungal Syndrome, which is caused by recessive alleles. He is worried that his children might suffer from this syndrome. His Hutt mate has undergone genetic testing and discovered she is homozygous dominant. Should Jabba be worried?

Create a Punnett square on your scratch paper to complete this problem.

a)
Yes
b)
No
15.

Bob the abominable snowman lives in the snowy Andes mountains. He has recessive allele white fur, which blends in nicely. He is therefore dismayed when his mate keeps having red-furred babies. What is Bob's likely genotype?

a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
16.
What chance does the offspring have of showing a recessive trait?
a)
50%
b)
75%
c)
100%
d)
25%
17.
What is the missing allele?
a)
a
b)
A
c)
AA
d)
aa
18.
Why are there no white rabbit babies?
a)
The white gene is not present in any of the babies.
b)
It takes two recessive genes to show the trait.
c)
Grey is a better color.
d)
Baby five will be white.
19.
One of the two forms of a gene is called a(n)
a)
genotype
b)
allele
c)
hybrid
d)
trait
20.
The genetic make up of this flower is ________.
a)
homozygous recessive
b)
heterozygous
c)
homozygous dominant
d)
white
21.
This is an example of a ______________.
a)
phenotype
b)
genotype
c)
xenotype
d)
base pairs
22.

Shows this specific trait even if only one parent carries it

a)

recessive

b)

homozygous

c)

dominant

d)

heterozygous

23.

The allelles BB are

a)

Heterozygous

b)

Homozygous Recessive

c)

Homozygous Dominant

24.

The Alleles bb are

a)

Heterozygous

b)

Homozygous Dominant

c)

Homozygous Recessive

25.

The Alleles Bb are

a)

Homozygous

b)

Heterozygous

c)

Homozygous Dominant

26.

What is the definition of Genotype?

a)

Referring to the geonoic era

b)

The combination of alleles that control the phenotype/The pair of letter

c)

Referring to geographic

d)

How a trait appears or is expressed/What is looks like

27.

Provide an example of a Homozygous Dominant Genotype.

a)

Jj

b)

Ll

c)

Aa

d)

DD

28.

Provide an example of a Homozygous Recessive Genotype.

a)

qq

b)

YY

c)

EE

d)

WW

29.

Provide an example of a Hybrid genotype.

a)

Ff

b)

gg

c)

HH

d)

WW

30.
pair of genes where one is dominant and one is recessive ex Bb
a)
haploid 
b)
heterozygous
c)
diploid
d)
homozygous
31.
individual has two of the same allele ex BB
a)
diploid
b)
heterozygous
c)
haploid
d)
homozygous
32.
This image shows a...
a)
Punnett Square
b)
Phenotype
c)
Genotype
d)
Dominant allele
33.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
34.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
35.
Which choice best represents the genotype of this cross?
a)
1 Yy: 2 yy: 0 YY
b)
2 Yy: 2 yy: 0 YY
c)
3 Yy: 1 yy: 0 YY
d)
1 Yy: 3 yy: 0 YY
36.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 
a)
50 % Brown Hair and 50% Blond Hair 
b)
25 % Brown Hair and 75% Blond Hair 
c)
75 % Brown Hair and 25% Blond Hair 
d)
0% Brown Hair and 100% Blond Hair 
37.

In a certain species of plant, the color purple (P) is dominant to the color white (p).

According to the Punnett Square, what is the probability of an offspring being purple?

a)

25%

b)

0%

c)

100%

d)

50%

38.
What is the yellow seed genotype?
a)
aa
b)
Aa
c)
AA
d)
AA or Aa
39.

What is the possibility of this offspring having the dominant trait?

a)

50%

b)

75%

c)

25%

d)

0%

40.
B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.
a)
they have same phenotype and genotype
b)
they have different genotypes and phenotypes
c)
they have same phenotype but different genotypes
d)
they have same genotype but different phenotypes
41.
Leonardo bet his friend Olivet that two heterozygous green-eyed sea monsters could not have a recessive blue-eyed baby sea monster. Olivet said they can have a blue-eyed sea monster.
Who wins the bet?
a)
Leonardo
b)
Olivet
c)
Both
d)
Neither
42.
What is the dominant trait?
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant

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