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Questions and Answers
What term is used to describe the different forms of a gene found at the same locus on a chromosome?
What term is used to describe the different forms of a gene found at the same locus on a chromosome?
- Genotype
- Alleles (correct)
- Homozygous
- Phenotype
If a rabbit has the genotype 'Bb' for the coat colour gene, what will be its phenotype?
If a rabbit has the genotype 'Bb' for the coat colour gene, what will be its phenotype?
- Spotted coat
- Brown coat (correct)
- White coat
- Pink coat
How many combinations of the alleles of the coat colour gene can a rabbit have?
How many combinations of the alleles of the coat colour gene can a rabbit have?
- Five
- Two
- Three (correct)
- Four
In a rabbit, where are the different forms of the coat colour gene located?
In a rabbit, where are the different forms of the coat colour gene located?
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If a rabbit has the genotype 'bb' for the coat colour gene, what will be its phenotype?
If a rabbit has the genotype 'bb' for the coat colour gene, what will be its phenotype?
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Study Notes
Gene Variation and Coat Color
- The term used to describe the different forms of a gene found at the same locus on a chromosome is an allele.
- A rabbit with the genotype 'Bb' for the coat colour gene will have a phenotype that is a combination of the effects of both alleles (B and b).
Genotype Combinations
- A rabbit can have three possible combinations of the alleles of the coat colour gene: BB, Bb, and bb.
Allele Location
- The different forms of the coat colour gene (alleles) are located at the same locus on a chromosome.
Phenotype and Genotype
- A rabbit with the genotype 'bb' for the coat colour gene will have a phenotype that is determined by the effects of the recessive allele 'b'.
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