I think the correct answer is a:]
They won't compete with each other because they may have different niches. For example, cows and dogs won't compete with their food since cows only eat grass, whereas dogs eat meat and vegetables but not raw grass.
I hope I was able to explain clearly. Have a good day.
Answer:
b. form of a gene
Explanation:
An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Genotypes are described as homozygous if there are two identical alleles at a particular locus and as heterozygous if the two alleles differ.