Recap!

Section of DNA that codes for a trait.

• Dominant
• Allele
• Gene
• Recessive

Different versions of the same gene that result from mutation.

• Allele
• Dominant
• Recessive
• Genotype

This trait will always show up when the allele is present

• Recessive
• Dominant
• Genotype
• Phenotype

The trait will only be seen if there is not a dominant allele present

• Dominant
• Recessive
• Genotype
• Phenotype

The observable characteristics of an organism

• Dominant
• Recessive
• Genotype
• Phenotype

An organism's combination of alleles

• Dominant
• Recessive
• Genotype
• Phenotype

Having two identical alleles for a trait

• Heterozygous
• Homozygous
• Dominant
• Recessive

Having two different alleles for a trait

• Heterozygous
• Homozygous
• Dominant
• Recessive