Douglass 6th Period CPC 4 Flashcardziz Review

Front

What do half colored symbols represent in a pedigree?

Back

The individual is a carrier (heterozygous).

Front

What are the building blocks of nucleic acids?

Back

Nucleotides.

Front

What are nucleotides composed of?

Back

A sugar, a phosphate group, and a nitrogen base.

Front

How many females are typically represented in a pedigree?

Back

Count the number of circles (females) in the pedigree.

Front

What fraction of people have blue eyes if 2 out of 4 individuals have them?

Back

2/4 or 1/2.

Front

How many generations are shown in a typical pedigree?

Back

Count the number of horizontal rows in the pedigree.

Front

What does a filled symbol represent in a pedigree?

Back

The individual expresses the trait.

Front

What does a circle represent in a pedigree?

Back

A female.

Front

What does a square represent in a pedigree?

Back

A male.

Front

What is a carrier in genetics?

Back

An individual who has one dominant and one recessive allele for a trait.