The short answer is that cells respond to the chemical environment in which they find themselves. The cells around them, the specific conditions, and feedback from the environment all create specific chemical cues that inform the cells to which genes should be expressed, and in what amounts. Chemicals include hormones, cytokines, general signaling molecules, such as cAMP, etc.
i literally hopped on google for this, lol.
i hope this helps though. :)
Answer: Polygenic inheritance
Explanation:
Polygenic inheritance is a phenomenon shown by a trait that is controlled by many genes residing at different loci.
Thus, the expression of the trait is the total effect of all the genes controlling it. Skin colour and height in humans are examples of such traits.
Answer:
7
Explanation:
pH ranges from 0 to 14, with 7 being neutral. pHs less than 7 are acidic while pHs greater than 7 are alkaline(basic)
<span> A. a process by which organism keep internal conditions relatively constant despite changes in external conditions. </span>