Heredity and Genetics

Front

What is the shape of DNA?

Back

double helix

Front

Any change in someone's DNA is called a...

Back

mutation

Front

Dominant alleles are represented by this type of letter.

Back

capital letter

Front

An allele combination of two lower case letters is called...

Back

homozygous recessive

Front

Cytosine always pairs with...

Back

guanine

Front

What is the basic unit of heredity?

Back

gene

Front

What are the two types of alleles?

Back

dominant and recessive

Front

What is the process by which DNA makes a copy of itself?

Back

replication

Front

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

Back

genotype

Front

What is the observable physical trait of an organism called?

Back

phenotype