Blood type is a classic example of codominance.
Why?
A. Both alleles contribute to the
phenotype.
B. Only the dominant allele contributes to
the genotype.
C. Only the recessive allele contributes to
the genotype.
D. Multiple genes contribute to a person's
blood type.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.