Why do heart cells have different characteristics than skin cells??? Heart cells have different DNA than skin cells.

Heart cells reproduce by mitosis.

Heart cells express different genes than skin cells.

Heart cells reproduce by cell differentiation.

Heart cells express different genes than skin cells

Explanation:

Cells contain instructions for their gene expression within stretches of DNA called genes, which is expressed and translated into protein.

Somatic cells are cells which contain the organism's chromosome number. They contain the entire karotype- and divide/ replicate through mitosis. In several stages of mitosis, DNA becomes condensed, is unwound and replicated, then packaged into two identical daughter cells.

All somatic cells start out undifferentiated (as stem cells). AFter the process of differentiation, they undergo changes in gene expression to become specific cell types, through processes like methylation and  gain maturity.

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