Answer:
A. polygenic inheritance
Explanation:
The type of non-Mendelian inheritance exemplified in human eye color is polygenic inheritance. In polygenic inheritance, a single trait is determined by the additive effect of more than one gene. Several gene combine together to determine a trait. Such traits are not definite, they are usually within a range spectrum, examples are height, hair color and eye color. Eye color is reported by researchers to be controlled by up to 10 genes
On the contrary monogenic inheritance are responsible for traits which are controlled by a single gene such as the ability to roll the tongue
Psychological experience does not result in physical changes to the nervous system but can still influence
Answer:
GOOD: American culture expands to all conquered and acquired territories. Everyone who lives in these territories was able to benefit from religion, democracy, and cultural ways of Americans. Manifest Destiny increased goods, doubled the land area of the U.S., services, and wealth.
BAD:
was their destiny to expand caused Americans to disregard the territorial rights of Native Americans, wiping out many tribes and causing a cultural divide, tension and wars.
Answer:
Egypt was in the hands of foreigners or was engaged in internal problems and civil wars.
Explanation:
Period of Old Kingdom ended with the period of civil wars, that were started by corruption and internal problems in the country. This intermediate period ended with the establishment of new dynasty.
Period of Middle Kingdom ended with invasion of Hyksos who conquered Egypt and ruled for a 50 years.
