WorksheetsGenotypes and Phenotypes
Total questions: 17
Worksheet time: 24mins
Which of the following is the correct definition for a genotype?
The physical expression of a gene. (Characteristics)
A strand of DNA made up of multiple mutations.
The expression of one of your parents traits.
The set of genes in our DNA which is responsible for a particular trait.
Alternative forms of the same gene are called
Alleles
Homozygous
DNA
Genetics
This trait will always be expressed if present because it will mask the expression of others
stem cells
heterozygous
dominant
recessive
What do you call one dominant and one recessive allele?
hybrid
purebred
homozygous dominant
homozygous recessive
Which of the following is an example of a homozygous genotype?
Rr
rr
NN
Nr
If your genotype is Bb, what type of trait would you express as a phenotype?
Dominant
Recessive
Both the dominant and recessive traits
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.
A genetic factor that is blocked by the presence of a dominant factor.
Dominant trait
Recessive trait
Gene
Allele
Homozygous
When the two alleles of a gene are different
physical appearance of a trait
The two alleles that control the phenotype
When the two alleles of a gene are the same
What is a gene ?
The different forms of a gene
Physical appearance of a trait
A section on a chromosome that has genetic information for one trait
A genetic factor that blocks another genetic factor
