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Which of the following correctly identifies the relationship between alleles, chromosomes and genes? (A) Genes contain chromosomes and alleles - HSC - SSCE Biology - Question 17 - 2012 - Paper 1
Question 17
Which of the following correctly identifies the relationship between alleles, chromosomes and genes? (A) Genes contain chromosomes and alleles. (B) Chromosomes conta... show full transcript
Worked Solution & Example Answer:Which of the following correctly identifies the relationship between alleles, chromosomes and genes? (A) Genes contain chromosomes and alleles - HSC - SSCE Biology - Question 17 - 2012 - Paper 1
Step 1
Identify the correct option
Answer
To understand the relationship between alleles, chromosomes, and genes, we need to clarify the definitions:
- Genes are segments of DNA that code for proteins and determine traits.
- Chromosomes are structures within cells that contain a person's genetic information. They are composed of DNA and contain multiple genes.
- Alleles are different versions of a gene that can exist at a given locus on a chromosome.
Based on these definitions, the correct response is:
(D) Genes are parts of chromosomes and have different alleles. This acknowledges that genes are indeed sections of chromosomes, and different forms of a gene (alleles) can exist.