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WorksheetsPBS 2.2.1-2.2.3
Total questions: 48
Worksheet time: 43mins
Which phase of mitosis does this image represent?
telophase
anaphase
prophase
metaphase
Stage of mitosis represented in this picture.
anaphase
telophase
cytokinesis
metaphase
The image in this picture represents which phase of mitosis
cytokinesis
anaphase
telophase
metaphase
The cells in this diagram are called...
sister cells
twin cells
daughter cells
parent cells
Which is a reason that cell reproduce?
growth
repair
maintenance
all of the above
What is the purpose of Mitosis?
Growth of an organism and Repair of damaged tissue
To help the body get rid of extra cells
To increase the amount of classwork you have to do
To get rid of the nucleus
What is the mRNA sequence for the template strand DNA sequence in the figure?
ATGTTGATCTT
AUUGACGUCCA
UACAAACUAGAA
ATTGACGTCCA
It is the three-code in DNA or mRNA strand.
introns
exons
codons
translation
Which stage of the cell cycle do cells spend the most time?
Cytokinesis
Mitosis
Interphase
Prophase
What is the end result of mitosis?
2 identical body cells
2 gametes
2 zygotes
2 different body cells
Which type of tumor is worrisome!?
malignant
benign
biopsy
cyclic
A non-cancerous tumor is
Malignant
Metastatic
Benign
Malign
Transcribe the following DNA strand: CTG AAT
GAC TTA
CTG AAT
GAC UUA
CUG AAU
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Substitution
Deletion
Insertion
Frameshift
Which of the following would result in a frameshift mutation?
Insertions only
Substitution only
Deletion only
Insertions and Deletions
A mutation is defined as:
A change in the cell's structure
Anything that changes in an embryo
Any change in the physical features of a human
A change in the DNA sequence
What type of mutation involves substituting a DNA base with a different base?
point mutation
frameshift mutation
silent mutation
chromosomal mutation
What type of mutation involves substituting a DNA base with a different base but still forms the same protein?
point mutation
frameshift mutation
silent mutation
chromosomal mutation
What type of mutation involves adding or deleting bases from the DNA, which results in new codons (a shift in the reading of the codons)?
point mutation
frameshift mutation
silent mutation
chromosomal mutation
Original DNA = TAC GAC TTG AAT
Mutated DNA = TAC GTA CTT GAA T
What type of mutation has occurred?
Chromosomal mutation
Point mutation
Frameshift mutation due to adding extra base
Frameshift mutation due to deletion of base
What is an allele?
A trait
Different forms of a gene
DNA
Different types of parents
What is a genotype?
Pair of alleles that determine a specific trait
Observable physical trait
A trait that is observed with only one copy of an allele
What is a phenotype?
Pair of alleles that determine a trait
Observable physical trait
Different forms of a gene
What is a dominant gene?
A trait that is observed when there are one OR two copies of the allele
A trait that is observed only when there are two copies of the allele
A trait that can be hidden in a generation
A person who is homozygous for a trait can have a genotype of....
AA, Aa
Aa, aa
AA, aa
aa
If a person is heterozygous for a trait, their genotype can be...
Aa
AA, aa
AA, Aa
AA
If "B" represents brown hair, and "b" represents blond hair, what will the genotype be for a homozygous brown haired person?
BB
Bb
bb
What is the missing pairing?
AA
Aa
aa
Using the Punnett Square, identify the correct Genotypic ratio
2:2:1
1:2:1
2:1:1
1:1:1
Based on the missing letter, what is the parent's genotype?
AA
Aa
aa
In a pedigree, which shape represents a male?
circle
square
On a pedigree, this symbol represents a ---
not affected female.
not affected male.
affected male.
affected female.
On a pedigree, this symbol represents a ----
not affected male.
not affected female.
affected male.
affected female.
How many individuals are there in the 3rd generation?
1
2
4
6
The trait this pedigree traces is recessive because it skips a generation and individuals can be carriers. What is the most likely genotype for person III-3?
GG
Gg
gg
B = brown fur b = white fur
In the Punnett square, what is the probability for white fur?
0%
25%
50%
75%
