DNA Chromosomes and genes

Front

What does DNA do?

Back

It carries genetic codes from parents to offspring.

Front

Which organelle is DNA usually found in?

Back

nucleus

Front

How many chromosomes do human cells have?

Back

46

Front

What is a gene?

Back

a piece of DNA

Front

Bundled up, organized DNA is called a

Back

chromosome

Front

What did Gregor Mendel use to discover the principles that rule heredity?

Back

Pea Plant

Front

What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?

Back

Alleles

Front

Heredity is the passing of traits from _____________________ to _____________________

Back

parents to offspring

Front

What is a gene?

Back

A piece of DNA on a chromosome that codes for a trait.

Front

What is a genotype?

Back

The genetic make up (code)