WorksheetsMitosis, Meiosis, & Mendelian Genetics Benchmark
Total questions: 32
Worksheet time: 26mins
Scott learns that his aunt has a form of cancer. Scott's science teacher explains to Scott what cancer is. Which is part of the teacher's explanation?
Some cancer cells perform normal functions in the body
A cancer patient can pass the disease to other people
A pathogen, such as a virus, infects a cell with cancer
Cancer is caused when body cells divide out of control
DNA coiled around histones
(answer options)
* histones
* chromatin
* chromosomes
* nucleosomes
(a)
relaxed form of DNA
(answer options)
* histones
* chromatin
* chromosomes
* nucleosomes
(a)
Condensed structures of DNA that are visible during mitosis
(answer options)
* histones
* chromatin
* chromosomes
* nucleosomes
(a)
Chromatin fiber is made up of nucleosomes, which are made up of ____ wrapped around beadlike proteins called ____.
DNA
Chromosomes
DNA
Histones
Histones
DNA
Histones
Chromosomes
Which of the following stages of interphase shows the cell growing, carrying out normal cell functions, and preparing to replicate DNA
Gap 1 (G1)
Synthesis (S)
Cytokinesis
Gap 2 (G2)
Which of the following is the correct order of the cell cycle?
1. anaphase
2. telophase
3. metaphase
4. prophase
5. cytokinesis
6. interphase
1. prophase
2. metaphase
3. anaphase
4. telophase
5. interphase
6. cytokinesis
1. interphase
2. cytokinesis
3. prophase
4. metaphase
5. anaphase
6. telophase
1. interphase
2. prophase
3. metaphase
4. anaphase
5. telophase
6. cytokinesis
The stage in the cell cycle in which spindle fibers separate sister chromatids
(answer options)
interphase, prophase, metaphase, anaphase, telophase, or cytokinesis
(a)
The stage in the cell cycle in which the nuclear envelope disintegrates, chromatin condenses into chromosomes, and spindle fibers appear
(answer options)
interphase, prophase, metaphase, anaphase, telophase, or cytokinesis
(a)
The stage in the cell cycle in which chromosomes reach the poles of the cells
and decondense, nuclear envelope re-forms at each pole, and
spindle apparatus disintegrates
(answer options)
interphase, prophase, metaphase, anaphase, telophase, or cytokinesis
(a)
The stage in the cell cycle in which the cell grows, develops into a mature, functioning cell, duplicates the DNA in its nucleus, and prepares for division
(answer options)
interphase, prophase, metaphase, anaphase, telophase, or cytokinesis
(a)
The stage in the cell cycle in which the cytoplasm divides and results in two cells with identical nuclei
(answer options)
interphase, prophase, metaphase, anaphase, telophase, or cytokinesis
(a)
The stage in the cell cycle in which chromosomes attach to spindle apparatus and align along the equator (middle) of the cell
(answer options)
interphase, prophase, metaphase, anaphase, telophase, or cytokinesis
(a)
Which of the following is a characteristic of cancer cells?
Controlled growth and division of cells
Uncontrolled growth and division of cells
Cell checkpoint proteins such as cyclin and CDK function normally
In the autumn, plants exhibit localized death of cells that results in leaves falling from trees. This is an example of (a) .
(answer options)
cyclin
cancer
apoptosis
carcinogen
While traveling through Austria with her German class, Sharon visits the monastery where Gregor Mendel lived. Which title for Mendel does Sharon read on the monastery sign?
father of genetics
scientist of chromosome mapping
founder of genetic engineering
cloning pioneer
Juanita is studying the history of England, and her textbook shows the pedigree of Queen Victoria. The text also introduces the concept of a pedigree. Which is the explanation of pedigree provided by the history text?
a description of the genotypes of a person’s children
a diagram that traces the inheritance of one trait
a map of the genetic makeup of one individual
a chart listing all the observable traits of a person
For tongue rolling, an individual can have the alleles TT or tt. These sets of alleles are called _____alleles. On the other hand, _____alleles occur when an individual has the alleles Tt.
(answer options)
dominant
recessive
homozygous
heterozygous
heterozygous
homozygous
homozygous
heterozygous
dominant
recessive
recessive
dominant
What terms should be placed in blank 1 and blank 2?
blank 1 options: Dominant or Recessive
blank 2 options: Homozygous or Heterozygous
(a)
What terms should be placed in blank 3 & blank 4?
Blank 3 options: Dominant or Recessive
Blank 4 options: TT, Tt, tt
(a)
What terms should be placed in blank 5, blank 6 and blank 7?
Blank 5 options: Dominant or Recessive
Blank 6 options: TT, Tt, tt
Blank 7 options: Homozygous or Heterozygous
(a)
What terms should be placed in blank 8, blank 9 and blank 10?
Blank 8 options: Rolls tongue or Does not roll tongue
Blank 9 options: Dominant or Recessive
Blank 10 options: Homozygous or Heterozygous
(a)
The tall allele, T, is dominant to the short allele, t, in Mendel’s pea plants. You examine a pea plant that exhibits the tall phenotype. What is its genotype?
Select all that apply.
TT
Tt
tt
What are the missing genotype for (A) and (B)
(A) = TT
(B) = tt
(A) = Tt
(B) = tt
(A) = TT
(B) = Tt
(A) = tt
(B) = TT
What is the genotype and phenotype for the box in the dihybrid Punnett square labeled "A"
genotype: Rryy
phenotype: round and yellow seeds
genotype: RRYy
phenotype: round and yellow seeds
genotype: RRyy
phenotype: round and green seeds
genotype: rrYY
phenotype: wrinkled and yellow seeds
What is the genotype and phenotype for the box in the dihybrid Punnett square labeled "C"
genotype: RrYY
phenotype: Round and Yellow seeds
genotype: rrYY
phenotype: wrinkled and Yellow seeds
genotype: RRYY
phenotype: Round and Yellow seeds
genotype: rryy
phenotype: wrinkled and green seeds
An organism with the genotype DD for a trait is ____.
Select all that apply.
dominant
heterozygous
homozygous
recessive
White grapefruit (W) is dominant to red grapefruit (w). A farmer breeds a white grapefruit
with a red grapefruit. The offspring's characteristics are as follows:
half are white grapefruit
half are red grapefruit
Based on the offspring's characteristics, what is the genotype of the parental white
grapefruit?
WW
Ww
ww
It cannot be determined
What do the Roman numerals in the pedigree diagram represent?
(answer options)
* generations
* individuals
(a)
True or False?
Incomplete dominance occurs when the heterozygous phenotype is an intermediate phenotype between the two homozygous phenotypes.
True
False
If the red shading represents a person with the trait for Tay-Sachs disease, how many of the offspring in this example have the alleles for Tay-Sachs disease?
1
0
3
2
If the red shading represents a person with the trait for Tay-Sachs disease, which parent in this example has Tay-Sachs disease?
the father has the disease
the mother has the disease
both the father and mother
neither parent has the disease
