Answer:
B) 1/2
Explanation:
A sex linked trait is passed via sex chromosomes. Here the given trait is X linked recessive because female carrier is not possible for X linked dominant trait.
For X linked recessive trait:
Carrier female = XCXc
Affected male = XcY
Their progeny:
XC Xc
Xc XCXc XcXc
Y XCY XcY
Out of the sons, half will be not affected ( XCY ) and half will be affected ( XcY )
Hence, half of the sons will express the trait.
Mr. Turner, my American history teacher, taught us about the U.S. home front during WWII. Enjoy!
Symbiosis in lichens is the mutually helpful symbiotic relationship of greenalgae and/or blue-green algae(cyanobacteria) living among filaments of a fungus, forming lichen. The algaeor cyanobacteria benefit their fungalpartner by producing organic carbon compounds through photosynthesis
Answer:
<h3>
<u>mutualistic</u> is the correct answer.</h3>
<u>Answer</u>: Cell
<u>Explanation</u>:
The simplest organization level in all the living organisms including humans is a cell.
All human beings are made up of a cell which forms the lowest level of the organization after which the hierarachy of the organization is as follows :
cells----> tissues----->organs----> organ systems
Therefore, the simplest level of organization in human beings is a cell.
