Traits and How They Change

The genetic make up of an organism is a

• Phenotype
• Xylem
• Genotype
• Homozygous

An organisms physical traits. 

• Phenotype
• Xylem
• Genotype
• Homozygous

Recessive traits are hidden when dominant traits are present.

• True
• False

This organism is dominant or recessive.

• Heterozygous
• Homozygous

Organisms that have 1 dominant trait and 1 reccessive trait are...

• Heterozygous
• Homozygous

Look at the picture. The probability that a child will inherit the recessive trait is

• 25%
• 50%
• 75%
• 100%

Look at the picture. This punnett square contains a hybrid organism.

• True
• False

What genotype belongs in the empty square? 

• TT
• Tt
• tt
• tT

The heterozygous genotype is

• Dominant 
• Recessive

These are...

• Genotypes
• Phenotypes