A [ ] is a section of DNA; an [ ] is a version of a gene.
A
A chromosome is a section of DNA; an allele is a version of a gene.
B
A gene is a section of DNA; an allele is a version of a gene.
C
A gene is a section of DNA; a chromosome is a version of a gene.
D
An allele is a section of DNA; a gene is a version of a gene.
Selective breeding Flashcards
Flashcards for Edexcel IGCSE Biology Selective breeding, covering the key terms, definitions and biological processes you need to recall for Paper 1 and Paper 2. 22 cards, matched to the Edexcel IGCSE Biology (4BI1) specification.