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WorksheetsGenetics
Total questions: 38
Worksheet time: 27mins
A version of a gene is called a(n)
Allele
Characteristic
Specific Gene
Trait
A trait that is expressed if one copy of the allele is present is a(n)
Characteristic
Dominant Trait
Gene
Recessive Trait
An organism’s genetic makeup; the pair of alleles for a trait is called a(n)
Dominant Trait
Genotype
Phenotype
Recessive Trait
An organism’s physical expression of a trait is called a(n)
Dominant Trait
Genotype
Phenotype
Recessive Trait
What is it called when both alleles in a genotype are the same?
Dominance
Heterozygous
Homozygous
Recessiveness
What is it called when the alleles in a genotype are different?
Dominance
Heterozygous
Homozygous
Recessiveness
Which pair of alleles is an example of homozygous recessive?
bb
BB
Bb
Which pair of alleles is an example of homozygous dominant?
tt
TT
Tt
Which pair of alleles is an example of heterozygous alleles?
ll
LL
Ll
In a Punnett square, a lower case letter stands for a ____________ allele.
Dominant
Recessive
Homozygous
Heterozygous
Hair colour, height, eye colour and freckles are examples of human traits. What do we call the physical expression of the genetic material of an organism?
Genetics
Heredity
Genotype
Phenotype
The passing of genetic traits from parent to offspring.
Heredity
Trait
Gene
Allele
Hidden allele
Dominant allele
Recessive allele
Present allele
An allele whose trait only shows up when a dominant allele is present.
Hidden allele
Dominant allele
Recessive allele
Present allele
Dominant alleles are represented by -
Capital Letters
Lowercase Letters
Both
Neither
Recessive alleles are represented by -
Capital Letters
Lowercase Letters
Both
Neither
This type of cell contains one set of DNA
Diploid
Haploid
Devoid
Sinoid
This type of cell contains two sets of DNA
Diploid
Haploid
Sinoid
Devoid
The complete set of an organisms chromosomes is called its ______.
Karyotype
Phenotype
Genotype
Kaleidotype
In the punnett square below, what belongs in the missing square
What belongs in the last box?
RR
Rr
rr
ff
Look at the punnett square shown. What allele pair would replace the "?"
WW
Ww
ww
Look at the punnett square. What is the probability that the offspring would have homozygous alleles for the trait?
100%
75%
50%
25%
0%
This type of inheritance pattern is a MIXTURE of two traits. This is known as ---
incomplete dominance.
codominance
What type of inheritance pattern is shown here?
Codominance
Incomplete dominance
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete dominance
Codominance
If you cross a black chicken with a white chicken and only black AND white feathered chickens are produced, then feather color follows the inheritance pattern of ---
Incomplete dominance
Codominance
The green fish offspring in this image is an example of ---
Incomplete dominance
Codominance
What do the phenotypes of the offspring in this Punnett square represent?
incomplete dominance
codominance
This cow with brown and white spots is an example of ---
Incomplete dominance
Codominance
