Genetics Vocab

An Organism's physical appearance is its

• Genotype
• Phenotype
• Chromosome
• Allele

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

Phenotype is 

• The number of Chromosomes
• Physical apperance determined by the alleles
• Number genes
• The particular alleles or letter combination

Genotype is 

• The number of Chromosomes
• Physical apperance determined by the alleles
• Number genes
• The particular alleles or letter combination

the different forms of a trait that make up a gene, R OR r

• allele

• dominant

• recessive

TT, tt

• homozygous

• heterozygous

Rr, Ff

• homozygous

• heterozygous