Genetics Vocabulary

The observable characteristic of an organism is called its

• phenotype
• genotype

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A phenotype that is not expressed in a set of alleles is called and looks like "aa"

• recessive
• dominant 

A phenotype that is governing a set of alleles that looks like BB or Bb is called 

• recessive
• dominant

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A genotype that has different versions of alleles like Cc or Hh is called 

• heterozygous
• homozygous

A genotype that has same versions of alleles like cc or HH is called

• heterozygous
• homozygous 

One of the forms of a gene that is responsible for genetic traits is called 

• alleles 
• traits
• punnett square 

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A characteristic or quality that is genetically determined 

• trait
• genetics 

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The basic genetic unit that controls a characteristic past from one generation to the next 

• genetics 
• genes
• phenotype

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The study of heredity and genes 

• genetics
• Punnett Square 

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The genetic makeup of an organism 

• genotype
• phenotype 

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