Alleles: The Role They Play in Genetics and Inheritance
Allele Different forms of a gene An allele is a variant or alternative form of a gene that arises by mutation and is found at the same...
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Mohamed Abbas
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June 21, 2023
Exploring the Significance of Variation in Biology: Supporting Adaptation, Natural Selection, and Evolution.
Variation differences in traits of an individual from the group to which it belongs. Traits may be physical or behavioral. Variation refers to the differences or diversity...
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Mohamed Abbas
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June 21, 2023
Dominant Genes: Patterns of Inheritance and Expression Explained
dominant gene A gene that is expressed in the offspring whenever it is present A dominant gene is a gene that, when present in an individual’s genetic...
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Mohamed Abbas
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June 21, 2023
Recessive Genes: What You Need to Know.
recessive gene Gene that is hidden when the dominant gene is present. In an individual that is heterozygous (Aa), the phenotype associated with the capitol letter is...
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Mohamed Abbas
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June 21, 2023
Chromosome Structure and Its Role in Gene Expression and Regulation
chromosome structure Structures that contain DNA and allow genes to be passed from parent to offspring. Chromosomes are the structures inside the nucleus of a cell that...
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Mohamed Abbas
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June 21, 2023
Exploring the Diversity, Importance, and Vulnerability of Phylum Cnidaria in Aquatic Ecosystems
Phylum Cnidaria – Jellyfish, anemones, corals, hydras, etc.- immobilize prey using nematocysts (stinging cells along tentacles)- lifecycle: 1) sessile stage (polyp stage) w/ tentacles; 2) medusa stage...
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Mohamed Abbas
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June 21, 2023
Discover the Incredible World of Echinoderms: From Sea Stars to Sea Urchins, Learn Their Characteristics and Ecological Roles
Phylum Echinodermata – sea starts, sea urchins (Test – internal shell), sand dollars- Asteroidea have plump arms while Ophiuroidea have long thin arms.- radial symmetry- many have...
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Mohamed Abbas
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June 21, 2023
Unlocking the Hidden Potential: An Overview of Phylum Porifera – The Aquatic Invertebrates Lacking Organs and Tissue Differentiation
Phylum Porifera Sponges- filter feeders- ostia: small pores that pull in water- choanocytes: cells within ostia that pick up planktonic food- osculum: opening at top where water...