Card 1 of 22
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.
Card 1 of 22
Selective breeding Flashcards
22 flashcards on Edexcel IGCSE Biology Selective breeding: the key terms, definitions and biological processes you need to recall for Paper 1 and Paper 2.