Genetics PRACTICE

The passing of traits from parents to offspring is called:

• Genotype

• Phenotype

• Heredity

• Alleles

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Genes are composed of two parts that determine specific traits. Each gene consists of two:

• Traits

• Alleles

• Phenotypes

• Genotypes

The genetic composition of an organism is a key concept in genetics. An organism's genetic make-up is known as its:

• Phenotype

• Heredity

• Genotype

• Alleles

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The physical expression of an organism's genes is an important aspect of genetics. An organism's physical appearance is referred to as its:

• Genotype

• Phenotype

• Heredity

• Traits

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Alleles can have different forms that affect how traits are expressed. The two we have studied are

• Dominant

• Recessive

• Co-dominant

• Incomplete dominant

Genes can exist in different forms that influence the inheritance of traits. A gene can be either:

• Dominant or Recessive

• Homozygous or Heterozygous

• Pure or Hybrid

• Genotype or Phenotype

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The terms "pure" and "hybrid" are used to describe the genetic composition of organisms. Another word for pure is:

• Dominant

• Recessive

• Homozygous

• Heterozygous

The terms "pure" and "hybrid" are used to describe the genetic composition of organisms. Another word for hybrid is:

• Homozygous

• Heterozygous

• Dominant

• Recessive

Brown fur in rabbits can be represented by different genotypes. Which of the following are possible genotypes for a brown rabbit?

• a) BB

• b) Bb

• c) bb

• d) B

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White fur in rabbits is represented by a specific genotype. Which of the following are possible genotypes for a white rabbit?

• a) BB

• b) Bb

• c) bb

• d) b

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