Answer:
In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations. ... Sometimes a population will grow too large for the environment to support.
Explanation:
Answer:
Dominance of an allele does not make it more frequent in the population.
Explanation:
Answer:
<em>The correct option is C) crossing over and independent assortment</em>
Explanation:
Crossing over and independent assortment can be described as the two essential phenomena of meiosis which brings genetic variations. During crossing over, the exchange of DNA segments between homologous chromosomes takes place. Independent assortment allows the chromosomes to assort independently into gametes hence bringing about the different genetic combinations. Hence, the correct option is C.
Other options, like option A, is false because chromosome inactivation will result in an abnormality.