The role of placenta during pregnancy is, It helps provide Structure and nutrients to the baby. It also removes waste from the babies blood.
It consists of three main parts: text, maps and tables.It includes general information about the geology, topography, and climate of the area. The tables describe the types and volumes of soils in the area.
The choices for the above question are:
a.single gene-pair inheritance.
b.shared environmental influence.
c.gene-environment interaction.
d.polygenetic inheritance.
The concept which is defined is gene-environment interaction. The answer to your question is C. I hope this is the answer that you were looking for.
Answer:
The correct answer will be true.
Explanation:
Myelin is a protective and insulating layer formed around the neurons of the central and peripheral neurons. The Schwann cells in the PNS and oligodendrocytes in the CNS form the myelin sheath around the neurons.
This myelin protects the axons of the neurons as well insulate the neurons which speed up the transmission of the electrical impulse generated in the neurons. If myelin is damaged, these impulses get slow or get damaged.
Thus, true is the correct answer.