the letter B. that is the answer
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
Answer:
All the crossing will be like this after realizing it:
Explanation:
Gl x Gl
GG, Gl, Gl, ll
gl x gl
gg, Lg, Lg, LL
On the first crossing we'll have 50% Gl and both other genotypes will be 25%
On the second crossing we'll have 50% Lg and both other genotypes will be 25%.
By the heat of the enegry
<span>Russell's case (two illnesses: bipolar disorder and substance use disorder) illustrates </span>comorbidity. The term comorbity is used in medicine to denote a presence of two diseases or disorders, one primary and one additional, both occurring at the same person.