Genetics: Part 1 - Practice Flashcard

Front

A single gene that has more than two alleles that code for a particular trait in a population is known as _______________.

Back

multiple alleles

Front

Individuals inherit ____ allele from each parent for each trait encoded in a gene.

Back

1

Front

If an individual with small ears mates with an individual with large ears, and all offspring have small ears, what could one infer?

Back

Offspring all have an EE or Ee genotype.

Front

ABO blood types are an example of what type of inheritance?

Back

Multiple alleles

Front

A ________________ trait masks the alternate form of the trait and is always expressed.

Back

dominant

Front

What is the term for an organism's genetic makeup?

Back

Genotype

Front

What is the observable physical characteristic of an organism called?

Back

Phenotype

Front

What type of inheritance involves two dominant alleles being expressed equally in the phenotype?

Back

Codominance

Front

What is the term for a trait that is only expressed when two recessive alleles are present?

Back

Recessive trait

Front

What is the genetic makeup of an organism that has two identical alleles for a trait?

Back

Homozygous