Embryos of chickens (*Gallus gallus domesticus*) are often used in genetic experimentation and testing. To a lesser extent, adult chickens can be used as a laboratory animal.

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Chicken Genome what are the LGE 'chromosomes'?

The chicken genome identifies two "LGE" sequences in the chicken genome. Are these distinct chromosomes or some highly variable sequence from the genome that is put in a separate sequence? I'm ...
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What are differences between formation of embryonic disc in chick and mammal embryo?

Exam question which got lowest average points in my university: 1/5 average. No markscheme available so my attempt below. I assume that embryonic disk prefers to germ disk such that Formation prefers ...
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How do animals decide what to eat and what not?

I want to know this in particular about animals that no longer eat what they used to eat. The best example in my opinion are chickens. Chickens are often held to eat all kinds of food we would ...