The figure below shows three spiral galaxies.Classify them as Sa,Sb,and Sc galaxies.There is one of each type of galaxy in the figure.
Definitions:
Phenylketonuria (PKU)
A genetic disorder characterized by the body's inability to metabolize the amino acid phenylalanine, leading to intellectual disability if not treated early.
Autosomal Recessive Gene
A gene located on one of the autosomes that must be inherited from both parents to express a recessive trait or disorder.
Metabolic Disorder
A medical condition that occurs when the metabolism process fails, and the body has trouble with breaking down, processing, or taking in nutrients.
Chromosomal Abnormalities
Genetic defects involving changes in the number or structure of chromosomes, leading to various developmental and health problems.
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