Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
July 4, 2023
Genetics

Understanding the Mechanisms of Speciation: Allopatric and Sympatric Speciation in Evolutionary Biology

In time along a lineage. (e.g. humans/chimps and our common ancestors).In space due to geographic isolation. (e.g. animals on an island, lemurs in Madagascar). In the context...

Mohamed Abbas
July 4, 2023
Genetics

The Role of Gene Flow in Shaping Genetic Diversity and Adaptation in Populations

Gene flow Gene flow, also known as gene migration, refers to the transfer of genetic material, such as alleles or genes, from one population to another Gene...

Mohamed Abbas
July 4, 2023
Genetics

The Influences of Genetic Effects on the Appearance of Species: Exploring Population Genetics

Various genetic effects can play a role in how species appear, they can be identified/ detected by comparing populations using population genetics. When it comes to studying...

Mohamed Abbas
July 4, 2023
Genetics

Understanding Speciation: The Process of Formation and Evolution of New Species

The formation of new species in populations that are geographically isolated from one another. Speciation The process is known as speciation. Speciation can occur when populations become...

Mohamed Abbas
July 4, 2023
Genetics

The Impact of Geographic Isolation: Understanding Allopatric Speciation for Species Diversification

Allopatric Allopatric speciation refers to the process of speciation where populations of a species become geographically isolated from each other, leading to the development of reproductive barriers...

Mohamed Abbas
July 4, 2023
Genetics

The Role of Geographic Isolation in Speciation: The Impact of Natural Selection and Random Effects on Genetic Differences

Being geographically isolated stops gene flow. Both natural selection due to differential selection pressures resulting in adaptations and random effects lead to speciation. Geographic isolation indeed plays...

Mohamed Abbas
July 4, 2023
Genetics

The Process of Allopatric Speciation and its Influence on Bird Populations at the Grand Canyon

Allopatric speciationDifferent species on either side of the grand canyon with slight morphological differences.They cannot mate or interact resulting in 2 separate species.There is no difference in...

Mohamed Abbas
July 4, 2023
Genetics

Understanding Directional Selection: Shift in Traits Due to Environmental Changes

Form of natural selection in which the entire curve moves; occurs when individuals at one end of a distribution curve have higher fitness than individuals in the...