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WorksheetsGENETICS
Total questions: 20
Worksheet time: 10mins
What type of Genotype is this: AA?
Homozygous
Heterozygous
Being able to roll the tongue is a dominant trait (T). Not being able to roll the tongue is a recessive trait (t). A persons genes are tt. Which trait would they have?
Able to roll the tongue
Not able to roll the tongue
Can't tell
According to the Punnett Square, what is the probability of an offspring being purple?
Why do scientist use Punnett Squares?
A tool scientist use to to see alleles
A tool scientist use to see which alleles are dominant
A tool scientist use to determine possible genotypes for offspring
Fill in the Yellow Box
AA
Aa
aa
What is the chance the offspring born from this cross will have a homozygous dominant genotype?
25%
50%
75%
100%
Organism inherit 2 copies of each gene, one from each parent, AND
Purebred is when
an animal has papers to show its breeding
a person has papers to show their breeding
nothing happens.
the offspring inherits homozygous genes.
When the results of a cross show both traits are equally expressed, this is called _________.
codominance
incomplete dominance
dominance
recessiveness
