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January 25th Exam Prep

Total questions: 20

Worksheet time: 22mins

Name
Class
Date
1.

Which of these statements is true about clones?

a)

They are exactly alike in every single way

b)

Clones have very similar DNA

c)

Clones will have the same life experiences

d)

We have not successfully cloned anything yet

2.

Check all that apply: What are three reasons that clones might be different from ane another?

a)

Mutations

b)

Clones don't have any similar DNA

c)

Different life experiences

d)

They grow up in different environments

3.

The two letter code "RW" is an example of a.....

a)

Genotype

b)

Phenotype

4.

"Red fur" on a cow is an example of....

a)

A Genotype

b)

A Phenotype

5.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)
a piece of DNA
d)
all of your DNA
6.

Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a cellular component?

a)

RNA-DNA-RNA-PROTEIN

b)

DNA-RNA-AMINO ACID-PROTEIN

c)

PROTEIN-RNA-DNA

d)

DNA-AMINO ACID-RNA-PROTEIN

7.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
8.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
9.

B = brown eyes, b = blue eyes [complete dominance]

In the punnett square, what is the probability for the offpring getting blue eyes?  

a)
0%
b)
25%
c)
50%
d)
75%
10.

In Rhododendron flowers, the R allele = Red and the W allele = White flowers. This is a flower with an RW genotype.

This is an example of.....

a)

Incomplete Dominance

b)

Complete Dominance

c)

Codominance

d)

Total Genetic Recall

11.

In Snapdragons, the R allele codes for Red Flowers, and the r allele codes for white flowers.

A snapdragon with a genotype of Rr is pink.

What is this an example of?

a)

Incomplete Dominance

b)

Codominance

c)

Complete Dominance

d)

Terminator Genes

12.

Dogs have been around for 30,000 of years, and are thought to have direclty descended from wolves.

How could humans have infleunced this evolution 30,000 years ago?

a)

Cloning

b)

Selective Breeding

c)

By creating transgenic organisms

d)

Direct Genetic Engineering

(CRISPR)

13.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
14.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
15.

What is a pedigree chart used for?

a)

To see the probabilities of specific genotypes

b)

To see how a trait passes on from generation to generation

c)

to figure out how a bactera diseases reproduces

d)

it is not that useful

16.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
17.

Selective breeding is...

a)

a process to create an organism with desired traits from parents with those desired traits

b)

natural method of producing offspring with desired traits

c)

creating a new species

d)

making organisms reproduce during times of stress

18.

An example of selective breeding is....

a)

a dog breeder mating 2 random dogs to make more dogs

b)

a farmer grows bees to pollinate the plants on his farm

c)

a person pollinates 2 white rose plants to only create white roses

d)

four baby turtles hatching

19.

Transgenic Organisms are living things that have had DNA from other organisms added to their own.

Which of these are examples of transgenic organisms we talked about? [Choose all that apply]

a)

Spider Goats

b)

Scorpion Cabbage

c)

bt Corn

d)

Golden Rice

20.

What is genetic engineering?

a)

When humans breed different animals together

b)

When humans change the DNA of an organism

c)

Natural Mutations

d)

When an organism is exposed to radiation