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In the space below, write a description of the connection between molecules and traits and reproduction.

DNA can be described as the molecules which carries the genetic code for every individual. The DNA is made up of nucleotide bases which join the two strands of DNA. The sugar and phosphate form the backbone of the DNA.

Genes are the hereditary molecules which are made up of DNA. The alleles of a gene represent which traits will be carried by an organism.

Chromosomes are made up of genes. During reproduction, crossing over of DNA occurs and alleles of the genes assort independently due to which variations occur.