Answer:
colds are cause by viruses
Spiders are called arachnids. So, a crazy fear of spiders is called arachnophobia.
According to this initial single gene autosomal cross, Mendel would have observed that the resulting offspring in the F1 or first filial generation are Tall. This is because, of the allele relationship that he observed, which is simple complete dominance.
The dominant or preferred allele or nucleotide sequence is used for the production of the protein, to allow for the appropriate colour.
Genotype would all be heterozygous Tt.
The one in my opinion that best describes a leaf is tissue. it can't be the organism because that would be the tree itself. In a like fashion, it can't be the organ because the branches of the tree would be the organs. Since the leaves make up the branches... they would be tissues.
The answer is D she mixes to different times to see if there is a difference in the subbstance
