STEAM- Sixth grade 3

Follow the instruction for color the DNA

Resolve the punnet square

Is the physical expression of a trait

• Phenotype

• Genotype

Refers to our genetic constitution

• Phenotype

• Genotype

When we have to identical alleles for a given trait

for example (XX) (YY)

• HOMOZYGOUS

• HETEROZYGOUS

When we have two different alleles for a given trait

For example (Yz) (Fb)

• Homozygous

• Heterozygous

Occurs when one allele is not completely dominant

• Codominance

• Incomplete Dominance

Choose the Evolution Mechanisms

• Time

• Variation

• Mutation

• Recombination

• natural selection

Allows the better -adapted organisms to survive while others eliminated

• Time

• Natural selection

Generates diversity in all forms of life

• Time

• Variation

• Natural selection