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Wk. 15 - Genetics & Inheritance

Total questions: 44

Worksheet time: 54mins

Name
Class
Date
1.
The term for the different forms of a trait. 
a)
DNA
b)
Chromosomes
c)
Genes
d)
Alleles
2.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
3.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


Cross a red flower with a speckled flower. What is the phenotypic ratio?

a)

2 red, 2 speckled

b)

2 red, 2 blue

c)

2 blue, 2 speckled

4.

In mice coat color is incompletely dominant. Black and white are homozygous. Brown mice are heterozygous.


What is the genotype for a brown mouse?

a)

BB

b)

Bb

c)

bb

5.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
6.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
7.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
8.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
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
10.

Trisomy 21, or having 3 copies of chromosomes 21 is known as which type of mutation?

a)

Point

b)

Trinucleotide Repeat Expansion

c)

Nondisjunction

d)

Insertion

11.

A point mutation that does not change the amino acid sequence is known as a(n) ____________ mutation.

a)

Frameshift

b)

Nondisjunction

c)

Inversion

d)

Silent

12.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
13.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
14.

Which of the following correctly represent the complementary base-pair rule?

a)

A<-->T C<-->G

b)

A<-->C T<-->G

c)

C<-->T G<-->A

d)

C<-->A T<-->G

15.

The building blocks of DNA.

a)

nucleotides

b)

chloroplasts

c)

mitochondria

d)

cell wall

16.
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
17.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
18.
Females-XX; MalesXY.  A couple has 4 girls.  What is the chance the next child will be a boy?
a)
75%
b)
100%
c)
25%
d)
50%
19.
In cacti, long arms (A) are dominant to short arms (a).  Suppose 2 heterozygous cacti are crossed.  What percentage of their offspring are expected to have short arms?
a)
0%
b)
25%
c)
75%
d)
100%
20.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
21.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
22.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
23.
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
24.
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
25.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
26.
In the diagram strand I and II represent portions of DNA molecule. Strand II would normally include...
a)
AGC
b)
TCG
c)
TAC
d)
GAT
27.
Diagram represents a portion of DNA molecule. The letters represent different types of
a)
sugar molecules
b)
molecular bases
c)
enzymes
d)
proteins
28.
Four different segments of a DNA molecule are represented below. There is an error in the DNA molecule in 
a)
Segment 1 only
b)
segment 3 only
c)
Segment 2 and 3
d)
segment 2 and 4 
29.

Name this structure

a)

double helix

b)

nucleotide

c)

amino acid

d)

protein

30.

You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?

a)

5'UACGAGUCGACU3'

b)

5'TACGAGTCGACT3'

c)

3'UACGAGUCGACU5'

d)

3'TACGAGTCGACT5'

31.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
32.

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the genotype of the father (square) in generation 1?

a)

Aa

b)

AA

c)

aa

d)

A?

33.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

34.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

35.
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
a)
carbohydrates
b)
nucleic acids
c)
lipids
d)
proteins
36.
Which of the following best describes how DNA and RNA are similar?
a)
they both contain A and T
b)
They both have a double helix
c)
They are both composed of 5 different nucleotides
d)
they both have C and G
37.
The main function of tRNA is to...
a)
carry a message that, when translated, forms proteins
b)
form a portion of ribosomes
c)
string together complementary RNA and DNA strands
d)
bring amino acids from the cytoplasm to the ribosomes
38.
Which of the following is the site of translation?
a)
vacuole
b)
lysosome
c)
nucleus
d)
ribosome
39.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
40.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
41.
The stages of the cell cycle are shown in random order below.  Starting with prophase, sequence the diagrams to show the stages of mitosis.  
                       
a)
5-3-1-2-4
b)
3-1-4-2-5
c)
4-1-2-5-3
d)
2-3-1-5-4
42.
The diagrams show the stages of mitosis in random order.  What sequence correctly shows the stages of mitosis?             
a)
3-1-2-4
b)
1-3-4-2
c)
4-2-3-1
d)
2-1-4-3
43.
Question Image

The figures below show four processes involving DNA and RNA.  Use these figures to identify each of the correct processes.

a)

Figure 1

1.

DNA Replication

b)

Figure 2

2.

Transcription

c)

Figure 3

3.

Translation

d)

Figure 4

4.

Insertion Mutation

44.
Question Image
a)

Process A

1.

Binary Fission

b)

Process B

2.

Mitosis

c)

Process C

3.

Meiosis