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Genetics

Total questions: 50

Worksheet time: 59mins

Name
Class
Date
1.
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
2.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
3.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
4.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
5.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
6.
Term for an organism that display two dominant phenotypes at the same time
a)
codominance
b)
incomplete dominance
c)
multiple alleles
d)
linked genes
7.
Incomplete dominance means that the traits are
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
8.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
9.
Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.
a)
DNA
b)
protein
c)
RNA
d)
glucose nucleic acid (GNA)
10.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
11.

Who is considered the "father" of modern genetics?

a)

Albert Einstein

b)

Gregor Mendel

c)

Walt Disney

d)

George Washington

12.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
13.
Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?
a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
14.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
15.
A physical characteristic that can be passed from parent to offspring.
a)
behavior
b)
trait
c)
strong muscles
d)
ability to fly a plane.
16.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
17.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
18.
Snapdragon flowers come in red, pink and white.  What type of inheritance is this?
a)
Complete Dominance
b)
Incomplete Dominance
c)
Codominance
d)
Polygenic Inheritance
19.
One form of a gene is called_______________
a)
a DNA
b)
a Phenotype
c)
a trait
d)
an allele
20.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
21.
What did Gregor Mendel use to discover the principles that rule heredity?
a)
Pea Plant
b)
Pigeons
c)
Pear trees
d)
Photosynthesis
22.
What do we call the result of the genotype (for example, the color of the peas)?
a)
Visible traits
b)
Physiotrait
c)
Genotype 2
d)
Phenotype
23.

Why were pea plants perfect a study on Heredity?

a)

Pea plants are complex

b)

They were a chalenge to study

c)

One gene controlled one trait. (i.e. it was simple - two possibilities)

d)

One gene was controlled by multiple traits

24.

What was the reaction to Mendel's paper?

a)

All the scientists of his time were greatly appreciative of his work

b)

He was too far ahead of his time for other scientists to understand the implications of his work

c)

They all disagreed with him and stopped his research

d)

He never wrote a paper, he was just a monk, not a scientist.

25.
I am a single strand.
a)
DNA
b)
RNA
26.
I am arranged as a double helix or "twisted ladder".
a)
DNA
b)
RNA
27.
I include the bases Guanine, Cytosine, Adenine and Thymine.
a)
DNA
b)
RNA
28.
I include the bases Guanine, Cytosine, Adenine and Uracil .
a)
DNA
b)
RNA
29.
Guanine goes with __________
a)
adnine
b)
cytosine
c)
guanine
d)
thymine
30.
In DNA the sides of the double helix is made of 
a)
deoxyribose  and phosphates
b)
adenine and guanine
c)
thymine and cytosines
31.
The sugar in DNA is ____________________.
a)
deoxyribose
b)
ribose
32.
The sugar in RNA is ____________________.
a)
deoxyribose
b)
ribose
33.
Adnine goes with __________
a)

adenine

b)
cytosine
c)
guanine
d)
thymine
34.
In RNA, adenine goes with __________.
a)
adnine
b)
cytosine
c)
thymine
d)
uracil
35.

What was the name of the technique used by Rosalind Franklin to develop photo 51?

a)

X-ray crystallography 

b)

X-ray chromatography 

c)

X-ray crystallization 

d)

X-ray trace imaging

36.

What is a gene

a)

a section of DNA that codes for a trait

b)

a pair of pants that are made of denim

c)

the whole entire chromosome found in the nucleus

37.

Heredity is the passing of traits from _____________________ to _____________________

a)

predators to prey

b)

water to rain

c)

parents to offspring

d)

offspring to parents

38.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
39.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
40.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
41.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
42.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
43.
Cytosine always pairs with
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
44.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
45.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
46.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
47.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
48.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
fructose
49.

Who was the scientist who used X-rays to "take a picture" of DNA which was eventually used to figure out the structure of DNA?

a)

Rosalind Franklin

b)

Watson and Crick

c)

Maurice Wilkins

d)

Sherlock and Watson

50.

What is the name of the two scientists who used Rosalind Franklin's X-ray image to determine the double helix shape of DNA?

a)

Watson and Crick

b)

Watson and Franklin

c)

Crick and Franklin

d)

Sherlock and Watson

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