As we can see in the pedigree, both of the parents do not possess the trait, but one of the four offspring (marked with red) is expressing the trait.
Since the trait is recessive, the only way that is possible that the parents who do not possess the trait to have the offspring with the trait is that the parents are heterozygous for the trait. Meaning that both of the parents have one dominant allele and one recessive allele.

7 0

3 years ago

What is an insoluble component of plasma that forms a meshwork of strands and is considered the structural basis of clot formati

almond37 [142]

Fibrin is an insoluble component of plasma that forms a meshwork of strands and is considered the structural basis of clot formation.

<h3>What is clot formation?</h3>

Blood turns from a liquid to a gel during coagulation, which results in the formation of blood clots.
Possible outcomes include haemostasis, which stops blood loss from a broken vessel, followed by repair.
The activation, adhesion, and aggregation of platelets, as well as the deposition and maturation of fibrin, are all components of the coagulation process.

<h3>What is fibrin?</h3>

A fibrous, non-globular protein called fibrin is necessary for blood to clot.
It is created when fibrinogen undergoes polymerization due to the protease thrombin.
A haemostatic plug or clot is formed over a wound site by platelets and polymerized fibrin.

To learn more about fibrin visit:

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6 0

2 years ago