Explanation:
The cell nucleus is a membrane-bound structure that contains a cell's hereditary information and controls its growth and reproduction. The main function of the cell nucleus is to control gene expression and mnedite the replication of DNA during the cell cycle.
Allele frequency<span>, or </span>gene frequency<span>, is the relative frequency of an </span>allele<span> (variant of a </span>gene<span>) at a particular </span>locus<span> in a </span>population, expressed as a fraction or percentage.<span>Specifically, it is the fraction of all chromosomes in the population that carry that allele. </span>Microevolution<span> is the change in allele frequencies that occurs over time within a population .</span>
Answer:
The organism is better able to survive and pass on traits...
A nervous or anxious dog will exhibit the following body language signs to communicate its state:
Flattened ears
Hunched back
Tail between legs
Nose lick
All of these signs show that the dog feels nervous, and will attack if it is pushed further. If the tension is released, you will see the dog take an exaggerated yawn to relieve itself.