Inheritance Flashcards
(17 cards)
What is an allele?
A variant form of a gene.
What are observable characteristics that are influenced by alleles called?
Phenotypes.
What do you call the genetic makeup of an organism?
Genotype.
Fill in the blank: The physical expression of a trait is known as the _______.
Phenotype.
True or False: Alleles can be dominant or recessive.
True.
What is the term for different versions of the same gene?
Alleles.
What type of alleles result in a dominant phenotype when present?
Dominant alleles.
What type of alleles require two copies to express a recessive phenotype?
Recessive alleles.
Fill in the blank: The combination of alleles that an organism has is referred to as its _______.
Genotype.
What is the observable characteristic that arises from the interaction of alleles?
Phenotype.
True or False: The same phenotype can result from different genotypes.
True.
What do you call the study of how traits are passed from parents to offspring?
Genetics.
Fill in the blank: Traits that are expressed only when two recessive alleles are present are known as _______ traits.
Recessive.
What is a characteristic that can be observed in an organism?
Phenotype.
What is the relationship between alleles and phenotypes?
Alleles determine the phenotype of an organism.
What is the term for the physical expression of a trait?
Phenotype.
Fill in the blank: The genetic makeup of an organism is known as its _______.
Genotype.