Q: What factors determine the effect of a gene?


Read this paragraph and choose the correct option from the provided answers:

For example, remember that for the height gene in pea plants there are two possible factors. These factors are alleles. There is a dominant allele for tallness (T) and a recessive allele for shortness (t) .

 Choices:

- metabolites

- genomes

- ribosomes

- alleles


A:
alleles