A haploid species has a gene on chromosome 2 which codes for lactase. In nature, four different alleles of the lactase gene have been identified. How many different alleles could you find in the genome of a single individual of this species

Haploid organisms have only one allele per locus

Explanation:

In haploid species, the number of alleles for a single locus always will be only one. Haploid species contain one complete set of chromosomes in their somatic cells. In nature, species are generally diploids but there are exceptions to this norm (e.g., male bees, ants and wasps are derived from an unfertilized egg). Consequently, in haploid organisms, the allelic and genotypic frequencies are the same. In this case, it is also important to note that the three remaining alleles will be distributed among the other haploid individuals in the population.

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geographic isolation