Answer:
The correct answer is A.
Explanation:
A mutagen changes the level of mutations that occur in the DNA either by affecting it physically or chemically. This helps researchers create different organisms with altered phenotypes according to what the research needs so that the genes can be investigated further under a controlled environment.
So the answer is A.
I hope this helps.
Answer:
20:Yes,individual #1 is XBXb,as the mother passes on the recessive Xb to her sons. The son individual #2 in generation 2 is affected by the recessive gene which he can only inherit from his mother.
21:mother
22:Sex-linked are Gene's carried on the sex Gene's chromosomal pair 23 whereas autosomal can be carried by any of the other 22 chromosomal pairs.
23:one
24:Yes
100% shaded,all 3 individuals
Homozygous dominant(HH) crossed with homozygous recessive (hh) yields a probability of 100% Hh.
1) Use the map to describe the motion of the plates at this boundary and the age of the rocks along each
side of the ridge.
2) Explain the importance of this discovery to the current theory of plate tectonics.
