The nucleus of an atom contains the protons and the neutrons.
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made of fibers that branch from the spinal cord and extend to all parts of the body including the neck, arms, torso, legs, skeletal muscles and internal organs.
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Answer: The percentage of each phenotype to be expressed is *50%* each
Explanation: In codominance, two alleles for a particular trait are equally expressed in an individual carrying it, neither an allele is dominant or recessive over the other. In this case the individual shows the two traits of the allels.
Furthermore, when 2 Christmas parrot are crossed with red and green color in an homozygous codominant trait the heterozygous F1 generation will either be red with traces of green or green showing traces of red.
If parrot 1 (Red) is represented as PR PR and parrot 2 (Green) is PG PG the cross between them will give PR PG therefore, the individual shows both traits.
A violin transforms electrical energy into sound energy.
A stimulus can be internal, or from within the organism itself. A stimulus can also be external, meaning it occurs outside the organism. Both internal and external stimuli can cause a response, or resulting reaction, in an organism.
