Answered

2. A chemical substance whose molecules, arranged in varying patterns, are the building blocks of genes:

A. Chromosome
B. DNA
C. Recessive gene
D. RNA



Answer :

GinnyAnswer

Final answer:

Genes are composed of DNA arranged on chromosomes, containing information for traits.


Explanation:

Genes are the basic physical units of heredity, composed of DNA arranged on chromosomes. Each chromosome contains numerous genes which hold the information needed to specify traits.


Learn more about Genes here:

https://brainly.com/question/35491521


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