Answer:
Heredity | Khan Academy
Reading a pedigree · Determine whether the trait is dominant or recessive. If the trait is dominant, one of the parents must have the trait.
While looking at a cell under a microscope, a scientist is able to see a
biological molecule. This molecule is a nucleic acid with double
strands and
<span>
contains the nitrogenous bases adenine, thymine, cytosine, and guanine. Based on this information, the scientist can conclude that </span>"
The nucleic acid is DNA and would be found in the cell’s nucleus."
Any interruption to the flow of blood<span> may bring brain damage or death. The </span>nervous system maintains homeostasis<span> by controlling and regulating the other parts of the </span>body<span>. A deviation from a normal set point acts as a stimulus to a receptor, which sends nerve impulses to a regulating center in the brain.</span>
1. D 2.F. 3.G. 4.E. 5.H 6.C 7.I. 8.B. 9.A
