Answer:
C
Explanation:
because they are pests and can presents risks to humans
Generation 4: 26% singing females (-8%)
80% Non-singing females (+12%)
Generation 5: 18% singing females (-8%)
94% Non-singing females (+14%)
2. Generation 5
I’ve done this awhile back I’m pretty sure it’s C and D
Answer:
The phenotypic ratio is 9:3:3:1 whereas the genotypic ratio is 1:2:1:2:4:2:1:2:1.
Explanation:
Answer:
(d). B-cells.
Explanation:
Adaptive immunity can be described as immunity which develops in response to exposure to a pathogen (or foreign molecule). throughout the life. It is divided into two types, humoral immunity and cell-mediated immunity.
Humoral immunity is mediated by B cells that secrete antibodies against particular antigens. These antibodies recognize and neutralize the antigens and activate cell-mediated immunity, which is mediated by T cells.
Thus, the correct answer is option (d).