Answer:
You're answer is D, ATP+P
Explanation:
The answer is B. Females have two X chromosomes
Just so you know...
Males have one X and one Y
Hope this helped!
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Answer:
Sharp-spined cactus
Explanation:
Given, that N allele is required for the production of spine and S allele will produce sharp sines.
True breeding sharp spined cactus: NNSS
spineless cactus: nn__ ( we can't fix the allele for second gene since it has not been mentioned as true breeding )
Their progeny: NNSS X nn__ = NnS_
So the progeny is going to be sharp spined because both the dominant alleles N and S are present.
The anaerobic one would outcompete the other.
This is because anaerobic respiration occurs in the abscence of oxygen whereas aerobic respiration relies on the oxygen for survival.
If the environment has oxygen both anaerobic and aerobic respiration take place. But if, the environment lacks oxygen, anaerobic respiration takes place whereas aerobic respiration does not.
Hope it helped!