Two Alleles make a 

• Gene
• Chromosome
• DNA
• Phenotype

Coiled up DNA forms X shaped structures called

• DNA Coils
• Chargraffs
• Chromosomes
• Alleles

Tags

NGSS.HS-LS3-1

An Organism's physical appearance is its

• Genotype
• Phenotype
• Chromosome
• Allele

Tags

NGSS.HS-LS1-1

The particular mix of alleles (letter combination) is an organism's 

• Phenotype
• Chromosome
• Punnett Square
• Genotype

A gene with two of the same alleles (DD or aa) is considered a __________ gene.

• Genotype
• Hybrid
• Gene
• Purebred

A gene with a mix of alleles (Bb) is considered a _________ gene.

• Purebred
• Hybrid
• Homozygous
• Punnett

You have two alleles on each gene.  Where do you alleles come from?

• From the grandparent you most resemble
• Your parents
• Your siblings
• You make them by yourself

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Watson and Crick....

• Took an x-ray picture of DNA
• Grew peas and discovered that alleles could be dominant and recessive.
• Discovered the Shape of DNA
• Invented Genetics

DNA is shaped like...

• A Double Helix
• A Helix
• A Triple Helix
• A Double Stack

Franklin....

• Took an x-ray picture of DNA
• Grew peas and discovered that alleles could be dominant and recessive.
• Discovered the Shape of DNA
• Invented Genetics