It would be AO and BO this would be the only one with a change of Type O blood the others do not have any chance
Answer:
Option D, Number of limbs
Explanation:
Options for the question
a. Birth weight
b. Hair color
c. Number of offspring
d. Number of limbs
Solution
Variation within a species is caused due to genetic differences governed by varying allele frequencies and duet to environmental factors that somewhere effect the expression of the genetic potentials thereby causing phenotypic variation.
Number of limbs is a physical characteristics, very unlikely governed by genetic variation. While factors such as hair color (grey, black, white etc.), height (tall, short, medium) etc. are governed by genetic variation as a result of which they have several phenotypic variations.
Hence, option D is correct
Surface water always flows downhill. The answer is A.downhill
1.A taste bud
2. They are dound on the top part of the tongue
Answer;
Scleroderma
Scleroderma is a connective tissue disorder that is characterized by insoluble collagen being formed and accumulating excessively in the tissues.
Explanation;
This disorder features thickened skin that can involve scarring, blood vessel problems, varying degrees of inflammation and pain, and is normally associated with an overactive immune system. It is regarded as an autoimmune condition, as the body produces too much collagen, causing the skin and connective tissue to thicken.