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A researcher is interested in examining whether relaxation techniques help decrease the perception of anxiety in subjects. The second step in this scientific investigation would be
Zygote
The initial cell formed when a sperm cell fertilizes an egg cell, representing the earliest stage of embryonic development.
Egg
A reproductive cell produced by female organisms, capable of developing into a new individual upon fertilization.
Phenotype
The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.
Genotype
The genetic makeup of an organism, consisting of all the DNA and genes that contribute to its unique traits.
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