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Humans have how many chromosomes?


What does Homologous mean?

Chromosomes with the same size, shape, and genes

What are Chromosome pairs?

Carries genes for the same trait

What is a codon?

It is a sequence of three bases in DNA

RNA carries the genetic code to...


What is the shape of a DNA molecule?

Double heliax

What is a mutation?

A change in the genetic material of an organism

What does selective breeding mean?

Breeding organisms to produce offspring with desired traits

What are restriction enzymes?

They are used to cut the DNA sequence

What is a Karyotype?

A photograph of an organisms chromosomes

What does a Karyotype show?

It shows all 23 pairs of human chromosomes

What does the last chromosome tell you?

If it is a male or female

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