C? Hope I’m right
Jdvdheuwvwjwgecrkfgb
Answer:
black is the dominant phenotype.
Explanation:
The black gene "overrides" the gene that codes for blue, thus making it dominant.
Answer:
Which of the following mechanisms is used by gram-negative bacteria to cross the blood-brain barrier? D) Inducing TNF
Explanation:
The blood brain barrier is a barrier formed by brain microvascular endothelial cells, astrocytes and pericytes. Pathogens can cross this barrier by using different mechanisms. The Tumor Necrosis Factor (TNF) is the way gram-negative bacteria cross this mentioned blood-brain barrier.