B. thick atmosphere
You can also use quizlet to look up answers also, I'm in college and they have never failed me.
Capsid proteins basically "trick" the cell by sticking to receptors on its surface.
Hope this helped thy out.
Crossing over produces modern combinations of alleles. Not unused alleles but unused combinations which can result in modern phenotypes or expanded assortment of phenotypes. This way the there's expanded genotype/phenotype variety but the genuine qualities are still the same ones.
This is just a dominant allele of the green color trait. The dominance can be confirmed by seeing the commonality of individuals who express the green color trait as having a dominant allele(W) and the ones without(w), not green. This is not X-linked because the letters which dictate the allele do not contain the X character with the a superscript indicating it as a sex-linked trait.
