Monohybrid Crosses Reveal

F1 plants display the phenotype of only one parent, they must inherit genetic factors from both parents.

When dominant and recessive alleles are present together, the recessive allele is masked, or suppressed.

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#Id: 5716

#Unit 7. System Physiology – Animal

After puberty, Growth hormone excess causes acromegaly

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#Id: 5780

#Unit 7. System Physiology – Animal

Thyroid gland is composed of large numbers of closed follicles & concerned with the production of thyroid hormone

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#Id: 5781

#Unit 7. System Physiology – Animal

Each spherical follicle is surrounded by a single layer of polarized epithelial cells and filled with pink-staining proteinaceous material called colloid.

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#Unit 7. System Physiology – Animal

Colloid consists predominantly of the glycoprotein, thyroglobulin

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#Unit 7. System Physiology – Animal

The primary hormone secreted by the thyroid is thyroxine (T4) along with much lesser amounts of triiodothyronine (T3)

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#Id: 5784

#Unit 7. System Physiology – Animal

Basolateral membranes of thyrocytes contain a symporter Na+/I –symporter (NIS)