DNA/Genes

A segment of DNA that codes for a trait

• gene

• allele

• chromosome

• chromatid

an observable characteristic

• trait

• gene

• allele

• DNA

Genetic traits are determined by one or more

• genes

• chromosomes

• random chances

• cells

A version or variation of a gene

• trait

• gene

• allele

• DNA

When an organism has two of the same alleles, it is called

• homozygous

• heterozygous

• recessive

• dominant

When an organism has two different alleles, it is called

• homozygous

• heterozygous

• recessive

• dominant

A DNA molecule is in the shape of...

• a knotted mess

• a starburst

• a double helix (like a spiral staircase)

• It varies cell to cell

Variations in the same gene between different individuals (like blue eyes vs. brown eyes) are called...

• Alkaloids

• Alleles

• Anime

• Aliens

The Genetic Code is made up of...

• A, B, C, D

• A, E, I, O, U

• A,T, C, G

• A, F, O, S

Long strands of DNA are wrapped into ...

• DNA

• Chromosome

• Alleles

• Phenotype