If a genotype has two identical alleles that are always expressed is called

What might happen to the water cycle if less solar energy reached earth and how earths climate be effected

Streptococcus pneumoniae is a bacterial pathogen that can cause pneumonia. Laboratory studies of various subtypes of this organism by The Rockefeller University scientists revealed that some of them produced colonies of different opacity

Which fertizer element is of most concern environmentally?

Mrs. and Mr. johnstone want have a children with AB blood type. If Mrs. johnstone has A blood type and Mr. johnstone has B blood type. Neither of them know if they are homozygous or not.

What is the major ingredient of magma

In this exercise, you will use the cytochrome c oxidase i (coi) gene to investigate relationships among salmon species. (this gene encodes a protein that functions in the mitochondrial electron transport chain.

Urinary obstruction in the lower urinary tract triggers changes to the urinary system to compensate for the obstruction. what is an early change the system makes in its effort to cope with an obstruction?

Three genes on the Drosophila X chromosome exami following recombination rates: (1) yellow-white, 0.5% (2) white-miniature, Which two genes are physically closest together? are examined pairwise.

The histamine H1 receptor is one of several existing histamine G protein-coupled receptors. Depending on many factors, including the type of receptor, histamine can trigger a variety of responses, including vasodilation, smooth muscle contraction,

What hereditary material in the nucleus of the cell is responsible for passing traits to the next generation