Answer:
The correct answer is "#2 and #3 only"
Explanation:
A and a are alleles, and R and r are alleles. Alleles of a gene are found at the same locus on homologous chromosomes. Every pair of the alleles depicts the genotype of a particular gene. Homozygous genotype occurs when two similar alleles at same locus and heterozygous in case of two nonidentical alleles. Due to the alleles there occurs a change in the appearance. An alleles create differences in gene.
The answer is D.
Sensory neurons carry information that is from your sensory receptors all of your body/skin. The sensory neurons carry this information of a stimulus back to your Central Nervous System (CNS).
The motor neurons will carry the necessary commands from your CNS back to your muscles or glands for a certain action to be done.
Answer: D. Individuals may now have their DNA analyzed to determine ancestry.
Explanation:
I believe it's stem cells.
Answer:
bottom of the periodic table
Explanation: