No, DNA does not exist as a single chromosome in most organisms. Instead, DNA is typically organized into multiple chromosomes within the nucleus of a cell.
differentiation
The name of the process where an organism develops from a single cell into many different types of cells is called "cell differentiation." This process involves cells becoming specialized to perform specific functions in the body, leading to the formation of different tissues and organs.
linkage group
False. A point mutation is a change in a single nucleotide of DNA, leading to a change in the protein encoded by that gene. The failure of a chromosome pair to separate during mitosis is known as nondisjunction, which can lead to chromosomal abnormalities in the daughter cells.
This process is called differentiation. It involves the transformation of unspecialized cells into specialized cells with specific functions.
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