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.
1) control - does not get independent variable 2) experimental - gets the independent variable 3) independent variable - is being changed/controlled 4) dependent - is being tested
Answer:
swimming is considered a low impact exercise
sprinting for 30 seconds during a jog is a wind sprint
running is a high impact exercise
short, high intensity segments are wind sprints
low impact exercises produce(s) less stress on the joints
Explanation:
B.
Deforestation affects ecosystems on land. there are no forests underwater
