Dihybrid Cross Flashcards

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Questions and Answers

What phenotype is represented by the genotype Ggbb?

  • White hair, red eyes
  • Grey hair, black eyes
  • White hair, black eyes
  • Grey hair, red eyes (correct)

What phenotype is represented by the genotype ggBB?

  • White hair, black eyes (correct)
  • Grey hair, black eyes
  • Grey hair, red eyes
  • White hair, red eyes

What phenotype does the genotype ggbb produce?

  • White hair, red eyes (correct)
  • Grey hair, black eyes
  • Grey hair, red eyes
  • White hair, black eyes

What phenotype does the genotype GgBb represent?

<p>Grey hair, black eyes (D)</p> Signup and view all the answers

What does GG or Gg indicate?

<p>Grey fur</p> Signup and view all the answers

What does gg represent?

<p>White fur</p> Signup and view all the answers

What does BB or Bb indicate?

<p>Black eyes</p> Signup and view all the answers

What does bb represent?

<p>Red eyes</p> Signup and view all the answers

What are the possible genotypes the parents supply in a cross between a male rabbit, heterozygous for both genes, and a female rabbit, heterozygous for both genes?

<p>GB, Gb, gB, and gb</p> Signup and view all the answers

Flashcards

What phenotype does Ggbb represent?

An individual with the genotype Ggbb will have grey hair and red eyes.

What phenotype does ggBB represent?

An individual with the genotype ggBB will have white hair and black eyes.

What phenotype does ggbb represent?

An individual with the genotype ggbb will have white hair and red eyes.

What phenotype does GgBb represent?

An individual with the genotype GgBb will have grey hair and black eyes.

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What does GG or Gg indicate?

The genotypes GG or Gg indicate grey fur.

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What does gg represent?

The genotype gg represents white fur.

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What does BB or Bb indicate?

The genotypes BB or Bb indicate black eyes.

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What does bb represent?

The genotype bb represents red eyes.

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What are the possible genotypes for a cross between a heterozygous male and a heterozygous female?

The possible genotypes for the parents in a cross between a heterozygous male and a heterozygous female are GB, Gb, gB, and gb.

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Study Notes

Dihybrid Cross Genotypes and Phenotypes

  • Ggbb genotype results in grey hair and red eyes.
  • ggBB genotype leads to white hair and black eyes.
  • ggbb genotype is characterized by white hair and red eyes.
  • GgBb genotype produces grey hair and black eyes.

Inheritance Patterns

  • GG or Gg genotypes indicate grey fur.
  • gg genotype corresponds to white fur.
  • BB or Bb genotypes represent black eyes.
  • bb genotype results in red eyes.

Parental Genotypes in Dihybrid Cross

  • A heterozygous male rabbit crossed with a heterozygous female rabbit can contribute the following gametes: GB, Gb, gB, and gb.

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