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WorksheetsUnit 3 - Genetics Review
Total questions: 45
Worksheet time: 23mins
Which letters best represent a parent who is Homozygous Dominant?
Rr
no letter is needed
RR
rr
Co- means
Unite
One
Same
Together
Which letters represent a Homozygous Recessive parent?
Rr
no letters are needed
RR
rr
Zyg- means
One
Unite
Show
Different
Dom- means
Take Over
Two
Origin
Together
Which allele is always represented by a lowercase letter?
codominant
dominant
all have to be uppercase
recessive
Homo- means
One
Marriage
Different
Same
Which letters best represent a parent who is Heterozygous?
Rr
no letter is needed
RR
rr
Gam- means
Show
Marriage, union
Three
Unite
Phen- means
Show
Together
Two
Divorce
If a mom has brown hair (dominant), and the dad has blond hair (recessive), what genotype would the mom have to have if they want a child with blond hair?
BB
Bb
bb
It's not possible
For a dominant disorder, what genotype would you need to have to not have the disorder?
Mm
mm
MM
Hetero- means
Different
Two
Development
Egg
Passing of traits from parents to offspring
Heredity
Allele
Genotype
Gregor Mendel
The genetic makeup of a trait
Genotype
Phenotype
Heterozygous
Homozygous
The physical appearance of a trait.
Trait
Genotype
Phenotype
Gene
__1__ come in different forms called __2__ and code for __3__. (choose the correct order)
1.) Genes
2.) Alleles
3.) Traits
1.) Alleles
2.) Traits
3.) Genes
1.) Traits
2.) Alleles
3.) Genes
1.) Genes
2.) Traits
3.) Alleles
According to Mendel (complete dominance), an organism that has the heterozygous genotype will show the _____ phenotype.
Recessive
Dominant
Sex-linked
Which of the following is the best representation of the image displayed?
Incomplete Dominance
Sex-linked
Complete Dominance
Codominance
The image seen represents-
Complete Dominance
Incomplete Dominance
Codominance
Sex-linked
Males are more likely to be carriers because they have 1 X chromosome
True
False
The letters XX represent
Male
Female
I understand that on my exam, I will be given a Punnett Square sheet that I must fill out and turn in to my teacher when I finish my exam. If I don't, I will get points taken off.
Disagree
Agree
Which sex is more likely to exhibit a sex-linked trait?
Male
Female
Only _____ can be carriers (sex-linked)
Men
Women
If I cross a homozygous dominant parent (RR) with a homozygous recessive parent (rr), what percentage will resemble a heterozygous offspring?
100% Rr
25% Rr
50% Rr
50% Rr
Black fur is dominant to white fur
Incomplete dominance
Complete dominance
Sex-linked
Codominance
A red flower and a white flower make a pink flower
Sex-linked
Complete dominace
Codominance
Incomplete dominance
ABO Blood Type
Sex-linked
Complete Dominance
CoDominance
Incomplete Dominance
The two shaded squares in this pedigree represents -
(Choose the correct sex and what it means)
Male, exhibits trait or disease
Male, does not exhibit trait or disease
Female, exhibits trait or disease
Female, does not exhibit trait or disease
Different forms of a gene
Genotype
Alleles
Traits
Punnett Squares
What letters are missing in the Punnett Square?
AB
aa
AA
Aa
Having a long nose, or being tall or short - these examples are:
Genotype
I-have-a-type
Sex-linked
Phenotypes
If I have a heterozygous offspring (Bb), will they represent the dominant trait or recessive trait?
Dominant
Recessive
Neither, not possible
Both (codominant)
When I study the root words for this exam, I know to look at-
The back of my Unit 3 clarity checklist
On the Codominance/Incomplete dominance worksheet
My classmate's chromebook during the exam
On the Genetics worksheet
What letters are needed the replace the ??
TT
tt
Tt
tT
On your exam, if I ask you to give me the % of two colors in question (ex: black vs gray), where will you place the % on your paper?
Somewhere random, figure it out
Under Phenotype
Under Genotype
Under Sex-linked
A segment of DNA on a chromosome that codes for a specific trait
Gene
Mitochondria
Photosynthesis
Transcription
A chart that shows all the possible combinations of alleles that can result from a genetic cross
Punnett Square
Pedigree
Phenotype
Photosynthesis
If 2 parents are both carriers for a recessive albinism, what is the probability for the children to have albinism?
100%
75%
50%
25%
What ensures each gamete gets only one copy of each allele and that each trait is transmitted separately?
Law of Independent Assortment and DNA replication
Mitosis and Meiosis
Law of Independent Assortment and Law of Segregation
Law of Segregation and Heredity
True or False: It is possible to have a child with recessive features with one parent heterozygous (Hh) and the other homozygous recessive (hh).
True
False
Which picture below correctly represents a Pedigree?
An allele whose trait always shows up in the organism when the allele is present.
Recessive
Dominant
Heterozygous
Homozygous
How many letters do I need to put in each quadrant of my Punnett Square?
0
1
2
3
