Explain how the following 4 words are connected: Gene, Allele, Genotype,
Phenotype?

Different forms of a gene are called alleles.The alleles an individual has at a locus is called a genotype. The genotype of an organism is often expressed using letters. The visible expression of the genotype is called an organism's phenotype.

(not 100% sure)

answer; i do believe that the correct answer is; ///mendelian genes are at specific loci on the chromosome and, in turn, segregate during meiosis;