Tetrad analysis to create genetic maps is best performed with haploid organisms because
A) only the dominant alleles are expressed.
B) only recessive alleles are expressed.
C) only haploid organisms produce spores.
D) the phenotype directly reflects the genotype.
E) haploid organisms have two copies of each gene.

Question

Quizplus · Accepted Answer

In haploid organisms, there is only one set of chromosomes, so the phenotype directly reflects the genotype without the complication of dominant and recessive allele interactions.

Tetrad Analysis to Create Genetic Maps Is Best Performed with Haploid