Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
July 4, 2023
Genetics

Understanding Recessive Alleles: The Role of Two Copies in Expression

the allele that is expressed only if 2 are present in the genotype; ex. bb The allele that is expressed only if two copies are present in...

Mohamed Abbas
July 4, 2023
Genetics

Understanding Incomplete Dominance and Incomplete Penetrance: Blending Phenotypes in Heterozygous Genotypes

when a phenotype is a blend of a heterozygous genotype; ex. red + white = pink When a phenotype is a blend of a heterozygous genotype, it...

Mohamed Abbas
July 4, 2023
Pathology

Exploring the Complex Factors of Cancer Development and Progression: Understanding the Role of Environment, Genetics, and Lifestyle

○ kills 4 per hour (96 every day) in the Philippines○ factors are interaction between environment, genetics, & lifestyle○ destroy healthy cells in organs, block their nutrient...

Mohamed Abbas
July 4, 2023
Pathology

Unraveling the Genetic Traits of Cancer Cells: From Growth Factor Independence to Metastasis

1. Does not need growth factors (i.e. as long as RAS protein is activated)2. Loss of anchorage-dependence inhibition3. Unregulated division (i.e. mutation of cancer-critical genes)4. Telomere reactivation5....

Mohamed Abbas
July 4, 2023
Pathology

The Role of Mitogens and Growth Factors in Cell Division: Influential Signals for Regulating Cellular Proliferation

○ influences cell division○ stimulate other cells to grow and divide When it comes to cell division, there are various factors that influence this process When it...

Mohamed Abbas
July 4, 2023
Pathology

Understanding Contact Inhibition: A Mechanism for Cell Growth Regulation and Tissue Homeostasis

crowded cells stop dividing When cells become crowded, they can stop dividing due to a phenomenon known as contact inhibition When cells become crowded, they can stop...

Mohamed Abbas
July 4, 2023
Pathology

The Role of Surface Attachment in Cell Division: Importance, Signaling, and Contact Inhibition

cells must be attached to a surface for division; once a layer is built, cells stop dividing In the context of cell division, cells generally require a...

Mohamed Abbas
July 4, 2023
Pathology

Unraveling the Complex Process of Carcinogenesis: From Normal Cell to Cancer Cell Transformation

○ process where normal cell turns into a cancer cell○ occurs when genes regulating cell growth & division mutates (cancer-critical genes) The process by which a normal...