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Worksheets

Genetics Review

Total questions: 25

Worksheet time: 15mins

Name
Class
Date
1.

Where in the cell is your DNA kept?

a)

Cytoplasm

b)

Nucleus

c)

Ribosome

d)

Plasma membrane

2.

Where in the cell is DNA transcribed into mRNA?

a)

Plasma membrane

b)

Ribosome

c)

Nucleus

d)

Cytoplasm

3.

Where in the cell do proteins get made?

a)

Plasma membrane

b)

Ribosome

c)

Cytoplasm

d)

Nucleus

4.

What is the process where mRNA is read and then amino acids are added to a chain one after another?

a)

Transcription

b)

Translation

c)

Translocation

d)

Tranformation

5.

A segment of DNA that codes for a specific trait is called a...

a)

Karyotype

b)

mRNA

c)

Gene

d)

Allele

6.

When DNA creates a strand of mRNA in the nucleus, it's called...

(a)  

7.

When a transcribed mRNA exits the nucleus, what organelle reads and translates it into a protein?

a)

nucleolus

b)

plasma membrane

c)

endoplasmic reticulum

d)

ribosome

8.

What do we call groups of 3 letter nucleic acids in an mRNA strand?

a)

tRNA

b)

codons

c)

DNA

d)

cytoskeleton

9.

Transcribe this DNA:  TCCGATCGAATCGG

(a)  

10.

What amino acid does TAT code for?

(a)  

11.

What is a mutagen?

a)

glowing ooze that mutates animals into ninjas

b)

something that causes a mutation in DNA

c)

a substance that protects DNA from mutating

12.

Can a mutation be passed down to offspring?

a)

Yes

b)

No

13.

Which mutation is due to a single nucleic acid changing to another one.

a)

substitution

b)

deletion

c)

insertion

d)

frameshift

14.

Which mutation or mutations cause frameshift mutations

a)

substitutions

b)

point mutations

c)

deletion

d)

insertion

15.

Which is the best description of the cause of a frameshift mutation?

a)

When a single nucleic acid changes

b)

When a nucleic acid is deleted or inserted into the code.

c)

When a single nucleic acid changes, causing no change to the amino acid.

16.

When a single nucleic acid changes, causing no change to the amino acid, this is called a what?

a)

insertion mutation

b)

substitution mutation

c)

frameshift mutation

d)

silent mutation

17.

When the translation of a protein stops early, what is it called?

a)

early stop

b)

premature stop

c)

giving up

d)

translation exit

18.

Pick the correct mutation according to these strands:

T A C C C C A A G T T T G A C A T T  Original DNA

T A C C C G A A G T T T G A C A T T mutation #3

a)

insertion

b)

deletion

c)

substitution

d)

silent

19.

Use the following DNA to pick the correct answer or answers:

T A C C C C A A G T T T G A C A T T  Original DNA

T A C C C C A A G A T T G A C A T T mutation #2

a)

premature stop

b)

insertion

c)

substitution

d)

frameshift

20.

In a human karyotype, how many chromosomes should there be?

a)

47

b)

23

c)

46

d)

26

21.

In a human gamete, how many chromosomes are there?

a)

46

b)

23

c)

26

d)

18

22.

Somatic cells are which kind of cells?

a)

haploid

b)

diploid

23.

Gametes are what kind of cells?

a)

haploid

b)

diploid

24.

What is the sex of this individual?

a)

Male

b)

Female

25.

Where is the abnormality in this karyotype located?

a)

Y chromosome

b)

chromosome 21

c)

chromosome 18

d)

chromosome 13