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WorksheetsMendelian Genetics Vocabulary Practice
Total questions: 50
Worksheet time: 1hrs 9mins
Definition: The science of heredity
Genetics
Recessive
Genotype
Phenotype
Which of the following is an example of Genotype?
Tt
Tall
Which of the following is a Phenotype?
Bb
Brown Eyes
The allele that is "quieter" and will not show if a dominant allele is present
Dominant
Recessive
Traits
The physical characteristic an organism inherits from parents
Behavior
Skill
Traits
Genetic letters/Makeup of an organism
Genotype
Allele
Phenotype
Physical characteristics, or visible traits of an organism
phenotype
genotype
trait
Two different alleles for the same trait.
Heterozygous
Homonzygous
Dominant
Two identical alleles for the same trait.
Heterozygous
Homozygous
Dominant
Which of the following Genotypes would be considered heterozygous
BB
gg
Ff
TT
The trait expressed if you inherit Ff is the
genotype
recessive trait
dominant trait
homozygous
An organism that inherits two different alleles from its parents.
dominant
homozygous
recessive
heterozygous
The passing of genes from parents to offspring.
Punnett square
genetics
probabiltiy
heredity
The genetic make-up of an organism; all the genes that an organism has
genotype
dominant
phenotype
recessive
A term that describes an allele that is not expressed when combined with a dominant form of the allele.
recessive
gene
homozygous
phenotype
An organism that inherits two of the same allele from its parents.
dominant
heterozygous
phenotype
homozygous
A chart used to show all the ways genes from two parents can combine and be passed to offspring.
pie chart
test cross
Punnett square
pedigree
The observable characteristics or traits of an organism
genotype
dominant
phenotype
homozygous
An alternate form of a gene for a specific trait or gene
genotype
gene
allele
phenotype
Another word for homozygous is
purebred
heterozygous
hybrid
dominant
If something is heterozygous, it is also
purebred
dominant
hybrid
recessive
What is the correct phenotype for this organism?
BB
green
blue
bb
Short hair (S) is dominant to long hair (s). What are all of the possible genotypes for an offspring with long hair?
SS
Ss
ss
D = dimples d = no dimples
What is the genotype for a recessive offspring?
DD
Dd
dd
Green peas are dominant (G) to yellow peas (g). What is the genotype for a heterozygous dominant offspring?
GG
Gg
gg
You have two alleles on each gene. Where do your alleles come from?
from the grandparents you most resemble
your siblings
your parents
you make them by yourself
In order for a recessive trait to be expressed,
both alleles have to be recessive
one allele has to be recessive while the other is dominant
one allele has to be recessive
both alleles have to be expressed with capital letters
If pink grapefruit is dominant over yellow grapefruit, which are the possible genotypes for the pink grapefruit? (Check all that apply)
GG
Gg
gg
Which of these would express the dominant trait? (check all that apply)
rr
Rr
RR
How many kids are heterozygous?
1
2
3
4
How many(#) kids are Homozygous?
1
2
3
4
What is the Genotype of the parents?
GG
gg
Gg
Offspring is the same as
descendants (kids)
Parents
Gametes
Allele that shows when there is NO dominant allele. Write it as a lower case letter (g)
Dominant Allele
Recessive Allele
Gene
Genotype
Heterozygous
Genotype that has 2 different letters(alleles). (Gg)
Genotype that has 2 of the same letters (alleles) (GG or gg)
Is the same as pure bred.
Homozygous
Genotype that has 2 of the same letters. Example : GG or gg
Genotype that has 2 different letters. Example: Gg
Is the same as Hybrid
Allele that always shows, write it as a capital letter (example : G)
Dominant allele
Recessive allele
Phenotype
Genotype
The genetic code for a gene, write it as 2 letters (Example: GG, Gg, gg).
Phenotype
Allele
Genotype
DNA
A piece of DNA that contains the code for a protein?
Example: Height, Eye color, hair color
Phenotype
Gene
DNA
Genotype
Variations of a gene, example brown hair and black hair
Alleles
Gene
Phenotype
Genotype
A recessive allele is represented by a (a) letter.
A dominant allele is represented with a (a) letter
Genotype: rr
homozygous dominant
homozygous recessive
heterozygous dominant
