Parapatric speciation is one of the types of speciation and it occurs when the subpopulations belonging to the same species get isolated from one another. The populations are mostly isolated but they overlap with each other in a narrow range. Parapatric speciation takes place either due to the unsymmetric distribution of the members of the subpopulations or due to the existence of the partial geographic barriers.
Only those subpopulations are allowed to interbreed which exist next to each other. Since the subpopulations which are present at the extreme ends comprise those members which are different from one another and hence they are not able to interbreed.
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.
