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Unit one review quiz - GENETICS

Total questions: 66

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
Who is considered the "Father of Genetics?"
a)
James Watson
b)
Francis Crick
c)
Gregor Mendel
d)
Albert Einstein
2.

What is another name for "true breeding?"

a)

heterozygous

b)

homozygous

c)

hybrid

d)

cross pollinating

3.

Which of the following describes the flowers in the F1 Generation?

a)

Homozygous

b)

Heterozygous

c)

Purebreeding

d)

White

4.

Which of the following describes the flowers in the P generation ?

a)

Homozygous

b)

Heterozygous

c)

dihybrids

d)

white

5.

What is the phenotypic ratio of the plants in the F2 generation ?

a)

1 purple : 1 white

b)

3/4 purple

c)

3 purple : 1 white

d)

1/4 white

6.
The different forms of a gene are known as _____________.
a)
Codons
b)
Proteins
c)
Alleles
d)
Nucleotides
7.

How many alleles for a trait do you get from each parent?

a)

1

b)

2

c)

23

d)

46

8.
Which of Mendel's laws states that alleles are separated during meiosis?
a)
Law of Dominance
b)
Law of Segregation
c)
Law of Independent Assortment
d)
Law of Meiosis
9.

According to the Law of Segregation, alleles are separated during the process of _____________ or gamete formation.

a)

Mitosis

b)

Meiosis

c)

Osmosis

d)

Translation

10.
Which of the following is an example of a GENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
11.
Which of the following is an example of a PHENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
12.
Which of the following is an example of a homozygous dominant genotype?
a)
RR
b)
Rr
c)
rr
13.
Which of the following is an example of a heterozygous genotype?
a)
RR
b)
Rr
c)
rr
14.

The letters on the TOP AND SIDE of a punnett square represent ______________.

a)

The combination of alleles in offspring.

b)

The possible alleles in each parent's gametes following meiosis.

c)

The genotype and phenotype of offspring.

d)

The results of genetic mutations in offspring.

15.
If a person has a genotype of Rr, what do you know about their gametes (sex cells)?
a)
They will all carry the R allele.
b)
They will all carry Rr.
c)
Some will carry R, some will carry r.
d)
They will all carry the r allele.
16.

If tall (T) is dominant to short (t) in pea plants, what is the expected phenotypic ratio in the following cross: Tt x Tt

a)

all tall

b)

all short

c)

1 tall:1 short

d)

3 tall: 1 short

17.

If a parent has the genotype TtRr, what possible gametes could the parent produce?

a)

TT, RR, tt, rr

b)

TR, Tr, tR, tr

c)

Tr, TR

d)

tr, tR

18.

The pedigree shows a recessive condition in a family. Those affected are homozygous recessive. What is the genotype of person II-2?

a)

homozygous recessive

b)

homozygous dominant

c)

heterozygous

19.
A cat has a total of 38 chromosomes in its body cells.  How many in its sex cells?
a)
38
b)
19
c)
76
d)
10
20.
Which of these cells would undergo meiosis?
a)
skin cells
b)
liver cells
c)
brain cells
d)
sperm cells
21.
A pair of chromosomes that have the same genes in the same location, but may have different alleles is called. 
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
22.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
23.
Crossing over helps promote ?
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
24.
You get one homologous chromosome from your ________ and one from your _______.  
a)
dad, mom
b)
brother, sister
c)
grandmother, grandfather
d)
the stork, the stork
25.
With mitosis you get ___, _________ cells, but with meiosis, you get ___, ____________.
a)
4 different, 2 identical
b)
4 identical, 2 different
c)
2 different, 4 identical
d)
2 identical, 4 different
26.
The purpose of meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
27.
A cell with two sets of chromosomes is called ________.
a)
diploid
b)
haploid
c)
tetraploid
d)
piploid
28.
Mitosis happens in __________ and produces ___________.
a)
somatic cells; identical cells 
b)
gametes; identical cells
c)
gametes; different cells
d)
somatic cells; different cells
29.
How many cell divisions happen in meiosis?
a)
one
b)
two
c)
three
d)
four
30.
When an egg with 10 chromosomes and a sperm cell with 10 chromosomes a __________ is produced with _________ chromosomes.
a)
zygote; 20
b)
fertilization; 20
c)
gamete; 10
d)
gamete; 40
31.

In DNA, adenine bonds with ______________ on the opposite strand.

a)

Guanine

b)

Thymine

c)

Cytosine

d)

Adenine

32.

In DNA, guanine bonds with ______________ on the opposite strand.

a)

Adenine

b)

Guanine

c)

Cytosine

d)

Thymine

33.

Which two molecules forms the sides (backbone) of the DNA ladder?

a)

deoxyribose and adenine

b)

deoxyribose and a hydrogen bond

c)

sugar and the nucleus

d)

deoxyribose (sugar) and phosphate

34.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
35.

Which sequence of DNA bases would pair with this partial strand of DNA?

ATG TGA CAG

a)

ATG TGA CAG

b)

TAC ACT GTC

c)

GTA AGT GAC

d)

CAT TCA CTG

36.

What determines the code, or information, of a DNA molecule?

a)

the shape (structure) of the nitrogenous bases

b)

the order (sequence) of the nitrogenous bases

c)

the color of the nitrogenous bases

d)

the frequency (number) of nitrogenous bases

37.

order of replication

a)

3, 2, 1, 4

b)

2, 1, 4, 3

c)

2, 3, 1, 4

d)

3, 4, 1, 2

38.

The process of copying a strand of DNA into mRNA is called _______

a)

translation

b)

transcription

c)

replication

39.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
40.

DNA holds the code for making our cells' _____________.

a)

lipids

b)

carbohydrates

c)

proteins

d)

sugars

41.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
42.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
43.

What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA? Translate the mRNA sequence into a protein.

a)

Met-Pro-Ala-Val

b)

Met-Pro-Val

c)

Tyr-Gly-His

d)

Tyr-Gly-Arg-His

44.

How many amino acids could be coded for by this sequence of nucleotides:

ATG GGA ACT CCA

a)

4

b)

2

c)

6

d)

12

45.

The segment of DNA that has the directions for making a protein is called a ________?

a)

chromosome

b)

strand

c)

gene

d)

nucleotide

46.

How would you be able to distinguish RNA from DNA?

a)

RNA is single stranded

b)

RNA has Uracil

c)

RNA has Ribose

d)

All of these are ways that RNA differs from DNA!

47.

What does this diagram represent?

a)

mRNA

b)

tRNA

c)

rRNA

d)

DNA

48.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

point mutation

b)

frameshift mutation

c)

monosomy

d)

trisomy

49.

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

a)

point mutation

b)

frameshift mutation

c)

monosomy

d)

trisomy

50.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
51.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
a)
Turner's Syndrome
b)
Trisomy 21 (Down Syndrome)
c)
Trisomy 13
d)
Trisomy 18
52.
A sperm contains
a)
Both an X and a Y chromosome
b)
Two X chromosomes
c)
An X OR a Y chromosome
d)
only a Y chromosome
53.

Is this Karyotype human?

a)

Yes

b)

No

c)

Impossible to determine

54.
What's wrong???
a)
Trisomy
b)
Monosomy
c)
Nothing is Wrong, it looks normal.
55.

Which of the following best describes a DNA molecule's shape?

a)

double helix

b)

contains ribose

c)

made of amino acids

d)

contains Uracil

56.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids
57.

The "central dogma of genetics" states that genetic information flows from

a)

Protein-->mRNA-->DNA

b)

Protein-->DNA-->mRNA

c)

mRNA-->DNA-->Protein

d)

DNA-->mRNA-->Protein

58.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
59.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
60.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be 
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
61.

What type(s) of antibodies are in a person with type A blood?

a)

Anti-A and anti-B antibodies

b)

Anti-A antibodies

c)

Anti-B antibodies

d)

None

62.

What marker proteins are present in a person with type B blood?

a)

B

b)

O

c)

A

d)

A and B

63.

Which blood type has no marker proteins on its surface?

a)

A

b)

B

c)

O

d)

AB

64.
If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?
a)
30
b)
15
c)
20
d)
60
65.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
66.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond