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Worksheetsgenetics and heredity
Total questions: 10
Worksheet time: 6mins
You need ______ of the dominant allele (A) to show the dominant phenotype.
one copy (AA or Aa)
two copies (AA only)
no copies
DNA
Aa is an example of a
genotype
phenotype
A recessive allele is
Represented by a lower case letter
Represented by an upper case letter
Genotype
Phenotype
A dominant allele is
Represented by a capital letter
Represented by a lower case letter
Genotype
Phenotype
What is having two different alleles for a trait or hybrid?
Homozygous
Heterozygous
What is having two identical alleles for a trait or purebred?
Homozygous
Heterozygous
What is an allele whose trait always shows up in the organism when the allele is present?
Recessive allele
Dominant allele
What is an allele that is masked when the dominant allele is present?
Recessive allele
Dominant allele
What is an organism's genetic makeup or allele combinations?
Phenotype
Genotype
What is an organism's physical appearance or visible traits?
Phenotype
Genotype
