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WorksheetsMendelian Genetics
Total questions: 15
Worksheet time: 30mins
A version of a gene is called a(n)
allele
characteristic
specific gene
trait
If "T" is the dominant allele for tall and "t" is the recessive allele for short, then what phenotype would "Tt" produce?
In the Punnett Square below, which genotype belongs in the missing square?
In a heterozygous genotype, the ___________ allele is expressed in the phenotype.
homozygous
heterozygous
What is the probability that the offspring will express the dominant trait?
25%
50%
75%
100%
The alleles "tt" is which genotype?
Homozygous Dominant
Heterozygous
Homozygous Recessive
Heterozygous dominant
If a heterozygous tall pea plant is crossed with a short pea plant (recessive), what are the possible genotypes of the future offspring?
If yellow peas are dominant, then a heterozygous yellow pea plant's genotype would be:
A phenotype is the ___________ of an organism.
Dominance
Physical appearance
Recessiveness
Alleles / Genes
What is the predicted percentage of homozygous recessive offspring in this cross?
0%
25%
50%
75%
