Speciation is a very gradual process which tells us how the populations have undergone the process of evolution in order to form various species. There are about four distinct forms of speciation, one of which is termed as allopatric speciation. It is defined as such speciation which results when the two populations belonging to the same species become isolated from one another and this isolation happens due to the changes in their respective geographies.
One of the reasons that compel the populations to migrate is excessive human activities like pollution, agriculture, civil engineering etc. In the course of time, these two populations acquire genetic variations that lead to varied characteristics between them. Consequently, these populations become so distinct from each other that they are unable to breed with each other.
Meiotic nondisjunction is much more likely than mitotic nondisjunction. Based on
A woman who is heterozygous, Bb, has brown eyes;
Explain why familial breast cancer shows a dominant pattern of inheritance in
How is an F′ factor different from an F factor?
With regard to the timing of conjugation, explain why the recipient
The raw material for evolution is random mutation. Discuss whether or
Why is an antibody used in this experiment? From
Explain the type of speciation (allopatric, parapatric, or sympatric
In fruit flies, curved wings are recessive to straight wings,
A recessive allele in mice results in an unusally long neck.
