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
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The following is the classification of each pair of variables into two categories, namely explanatory and response, based on the relation between the variables:
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(a) Whether or not a person likes to sing and whether or not a person likes to dance - Explanatory: There is no direct relation between the choices made by the person but it can be explained why he likes or does not like either of two or both.
(b) The number of pages in a textbook and the cost of a new copy of the textbook - Response: The cost of the book is dependent on the pages in it as each page bears some cost.
(c) The number of alcoholic drinks consumed and the blood alcohol content - Response: The blood alcohol content would keep increasing as long as alcohol is consumed.
(d) In a study of adolescents, the dose of vitamin D given each day for a year (50, 100, or 200 international units) and the change in total bone mineral content from the beginning of the study to the end of the study - Response: The amount of vitamin D would reflect as more in the adolescents that were administered higher dosages of vitamin D.
Answer:
It is when there is shortage of food and items
Explanation:
This occurs when the nation likes importing goods from other countries making those countries rich in foreign exchange.
Answer:
a colony in the northeastern US that focused on the harvesting of timber
Explanation:
