EcoGenesis · Encyclopedia

Library of the living world

Organisms, anatomy, processes and learning journeys. Read the explanations and follow their links to data and sources.

C

Modules

Cell differentiation: reading an image and its source

First locate a structure and determine whether the material actually shows it. Selecting a label should highlight the relevant area; an invisible detail needs a separate diagram. Before explaining why cells differ, record which cells were observed and how.

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F

Modules

Flowering and FLC: from a record to an experiment

An FLC profile connects records; an experiment tests a particular question in particular material. Follow both paths: establish gene and protein identity, then examine the conditions and outcome of one study. State separately what the experiment did not test.

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Modules

Gene regulation: what is actually measured?

“Is this gene active?” is too broad for a precise investigation. Identify what was observed: a particular RNA, a protein, an interaction or a trait. Separate the measurement from the proposed mechanism in your notes, then find the conditions under which the result was obtained.

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I

Modules

Inheritance foundations: the assumptions of a simple model

Begin with the illustrative cross Aa × Aa. Assume a single diploid locus, equal transmission probabilities for A and a from each parent, independent combination of gametes and no selection changing the proportions between the stated stages. A table gives expected genotypes. Translating them into phenotypes requires an additional dominance assumption.

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Modules

Leaf development: shape, size and specimen

Two leaves can be compared by length, but first identify how the measurement was made and which specimens it describes. Open the image and model, check the scale and the provenance of each variant. An altered teaching shape can help explore geometry when clearly distinguished from the measured leaf.

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Modules

Model organisms and genomes

Start with identification before comparing data. Find the organism, open a particular assembly and follow a molecular record. Species, sample, assembly and gene are different objects. Save a separate identifier for each and note anything the source does not provide.

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