Two distinct populations of neoblasts exist:

1. Sigma neoblast population 

2. Zeta neoblast population 

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#Id: 6426

#Unit 8. Inheritance Biology

Y-Linked Traits

Y-linked traits appear only in males and are passed from a father to all his sons.

Does not skip generations. Example – Hypertrichosis, Webbed toes

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#Id: 2790

#Unit 13. Methods in Biology

The ratio VS/VM is referred to as the volumetric phase ratio, b. Hence:

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#Id: 6466

#Unit 3. Fundamental Processes

Eukaryotic transcription is most often under positive regulation: A transcription factor is provided under tissue-specific control to activate a promoter or set of promoters that contain a common target sequence.

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#Id: 4503

#Unit 13. Methods in Biology

When the positive terminal is on the left arm, the lead is known as the aVL lead.

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#Id: 4680

#Unit 13. Methods in Biology

What are the principles in flow cytometry?

Light scattered by a laser or arc lamp

Specific fluorescence detection

Hydrodynamically focused stream of particles

Electrostatic particle separation for sorting

Multivariate data analysis capability