WorksheetsNC Biology EOC Review : Heredity, Genetics, Biotechnology
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
When an egg is fertilized by sperm a ____ is created.
a)
embryo
b)
fetus
c)
zygote
d)
baby
2.
Which process results in 4 haploid daughter cells?
a)
mitosis
b)
meiosis
c)
fertilization
d)
replication
3.
Mutations that occur in ____ can be passed to offspring.
a)
gametes
b)
autosomes
c)
somatic (body) cells
d)
chromosomes
4.
Which of these promotes more genetic diversity due to the random separation of genes on separate chromosomes during meiosis?
a)
Crossing Over
b)
DNA replication
c)
Independent Assortment
d)
Nondisjunction
5.
________ reproduction occurs when two parents produce offspring that are genetically similar but not identical to the parents.
a)
Asexual
b)
Sexual
6.
Which occurs when chromosomes fail to separate during meiosis?
a)
Crossing Over
b)
Nondisjunction
c)
Independent Assortment
d)
Mutation
7.
How many phases are in meiosis? What happens before these phases?
a)
4, interphase
b)
4, cytokinesis
c)
8, interphase
d)
8, cytokinesis
8.
Cells spend most of their lives in _____ which is when DNA replicates, organelles are doubled, and the cell prepares to divide.
a)
Interphase
b)
Mitosis
c)
Meiosis
d)
Cytokinesis
9.
During meiosis, homologous chromosomes undergo ______ causing genetic variation (gene recombination).
a)
crossing over
b)
independent assortment
c)
mutations
d)
replication
10.
In meiosis four daughter cells are produced with ____ of the genetic material of the parent cell. If the parent cell has 46 chromosomes the daughter cell will have ____.
a)
the same amount, 46
b)
double, 92
c)
half, 23
11.
What is an allele?
a)
An alternate form of a gene.
b)
A mutated form of a gene.
c)
A gene from the mother.
d)
A gene from the father.
12.
____ means that both alleles are the same whereas ____ indicates the alleles are different.
a)
homozygous, heterozygous
b)
heterozygous, homozygous
c)
Haploid, Diploid
d)
Diploid, Haploid
13.
Which identifies an individuals genotype?
a)
Tt
b)
tall
c)
short
d)
type A
14.
Which of these represents a heterozygous genotype?
a)
Bb
b)
BB
c)
bb
15.
Which represents a homozygous genotype?
a)
Ff
b)
ff
c)
FF
16.
An individual's ____ are the actual alleles they have and their ____ is the trait that they show.
a)
phenotype, genotype
b)
genotype, phenotype
17.
Chromosomes that determine if you are a male or female are called ___ chromosomes. Females have the sex chromosomes ____ and males have ____.
a)
autosomes, XX, XY
b)
sex, XY, XX
c)
autosomes, XY, XX
d)
sex, XX, XY
18.
Pictures of chromosomes that can show genetic disorders or gender are called _____.
a)
karyotypes
b)
pedigrees
c)
punnett squares
d)
genetic profiles
19.
Traits carried on the X and Y chromosomes are called _____. Examples include ______ and _____ which occur most often in males.
a)
sex-linked, Down Syndrome, Turner's Disease
b)
gender-determined traits, Down Syndrome, Turner's Disease
c)
sex-linked, Huntington's Disease, colorblindness
d)
gender-determined traits, Huntington's Disease, colorblindness
20.
A ____ allele is expressed while a ____ allele is hidden in its presence.
a)
dominant, recessive
b)
recessive, dominant
21.
_____ results in blending of traits.
a)
Codominance
b)
Incomplete Dominance
c)
Incomplete Recessive
d)
Polygenic Traits
22.
_____ is the expression of two traits.
a)
Codominance
b)
Incomplete Dominance
c)
Incomplete Recessive
d)
Polygenic
23.
______ traits are influence by more than one gene. Examples include skin color, hair color, eye color, height.
a)
Codominant
b)
Incomplete dominant
c)
Incomplete recessive
d)
Polygenic
24.
What tool is used to determine the probability of inheriting traits?
a)
pedigree
b)
punnett square
c)
karyotype
d)
DNA fingerprint
25.
What tool is used to show patterns of inheritance in a family?
a)
pedigree
b)
punnett square
c)
karyotype
d)
DNA fingerprint
26.
______ is the manipulation of organisms or their parts to produce useful products.
a)
Genetics
b)
Heredity
c)
Biotechnology
d)
Recombinant Technology
27.
____ engineers transfer genes or pieces of DNA from one organism to another.
a)
Biotech
b)
Genetic
c)
Chromosome
d)
DNA
28.
_____ organisms have DNA from another source which is called ____ DNA. These organisms can be used to help treat diseases.
a)
Transchromosomal, recombinant
b)
Recombinant, transchromosomal
c)
Transgenic, recombinant
d)
Recombinant, transgenic
29.
A _____ is an organism with identical DNA to the original.
a)
transgenic
b)
clone
c)
recombinant
d)
plasmid
30.
The purpose of the _____ was to map out all of the human genes and is now used for gene ____.
a)
human genome project, therapy
b)
human chromosome map, correction
c)
DNA fingerprint, extraction
d)
gel electrophoresis, modification
31.
____ are used to produce ____ to help treat diabetes because they reproduce quickly due to ____ reproduction.
a)
Bacteria, hormones, sexual
b)
Fungi, insulin, sexual
c)
Bacteria, insulin, asexual
d)
Fungi, hormones, asexual
32.
________ separates DNA by size and produces a DNA _____. This is helpful in determining paternity and suspects in crimes.
a)
Polygenic separation, profile
b)
Gel Electrophoresis, fingerprint
c)
Recombinant Extraction, karyotype
d)
Transgenic Isolation, pedigree
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