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WorksheetsGenetic Terminology and Concepts
Total questions: 13
Worksheet time: 5mins
Having 2 different alleles for a trait.
homozygous
heterozygous
phenotype
Punnett square
2 or more versions of a gene. Represented by letters.
Punnett square
phenotype
homozygous
allele
Factors that determine your traits.
genes
Punnett square
phenotype
A _________ ______ is hidden when t he dominant allele is present.
recessive allele
dominant allele
Punnett square
homozygous
The physical trait or outward appearance.
genotype
phenotype
Punnett square
allele
One whose trait always shows up when the allele is present.
Punnett square
phenotype
dominant allele
recessive allele
A chart that shows all the possible combinations of alleles that can result from a genetic cross.
allele
genes
phenotype
Punnett square
Two identical alleles for a trait is known as
homozygous
heterozygous
mutation
codominance
An organism’s genetic makeup; the pair of alleles for a trait is called a(n)
dominant trait
genotype
phenotype
recessive trait
1 plant is heterozygous yellow (Yy) and it is crossed with a homozygous green (yy) plant. What is the probability of one of their offspring having a yellow color?
0 %
25 %
50 %
75 %
In a certain species of plant, tall (T) is dominant to short (t). According to the Punnett square, what is the probability of an offspring being short?
0 %
25 %
50 %
75 %
Abundant body hair (A) is dominant to little body hair (a). If you cross 2 heterozygous parents, what percentage of offspring will have abundant hair?
0 %
25 %
50 %
75 %
In a plant, tall (T) is dominant to short (t). According to the Punnett square, what is the probability of an offspring being tall?
25 %
50 %
75 %
100 %
