Genetics Flashcard

Front

What is the passing of traits from parents to their offspring through genes called?

Back

Heredity

Front

What is a unit of heredity that is transferred from a parent to offspring and determines some characteristic of the offspring?

Back

Gene

Front

What is a thread-like structure made of DNA that carries genetic information?

Back

Chromosome

Front

What molecule carries the genetic instructions for life, found in the cells of all living organisms?

Back

DNA

Front

What term describes a characteristic or feature of an organism, such as blue eyes or blonde hair?

Back

Trait

Front

What is a basic category of things that all or most organisms of a species have, such as eyes or hair color?

Back

Feature

Front

What term refers to different forms of a gene that can exist for a particular trait?

Back

Allele

Front

What is the observable physical or biochemical characteristics of an organism called?

Back

Phenotype

Front

What is the genetic constitution of an individual, consisting of the alleles inherited from the parents?

Back

Genotype

Front

What type of allele expresses its trait even in the presence of a recessive allele?

Back

Dominant