Genetics Test

The term for the different forms of a trait. 

• DNA
• Chromosomes
• Genes
• Alleles

The trait that always shows. 

• Dominant 
• Recessive
• Hidden
• Overt

The hidden trait.  You need two of these alleles for the trait to show.

• Dominant
• Recessive
• Hidden
• Overt

The genetic makeup of a trait.  (The letters represent this)

• Genes
• Phenotype
• Genotype
• Characteristics

If you are homozygous recessive, the genotype would be 

• AA
• aa
• Aa

If you are homozygous dominant, the genotype would be 

• AA
• aa
• Aa

If you are heterozygous, your genotype would be

• AA
• aa
• Aa

TT,tt,PP,pp,SS,ss are examples of alleles that are?

• homozygous
• heterozygous
• different
• homologous 

Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?

• YY,yy
• Yy,yy
• YY only
• YY,Yy

How many chromosomes are in a normal human body cell?

• 23
• 46
• 92