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Radiocarbon
________ dating suggested that the chickens were Pre- Columbian, and DNA analysis showed that they were related to prehistoric populations of chickens in Polynesia.
cockfight
A(n) ________ is a contest held in a ring called a cockpit between two cocks known as gamecocks.
Sperm transfer
________ occurs by cloacal contact between the male and female, in a maneuver known as the /"cloacal kiss /
Recent molecular evidence
________ obtained from a whole- genome study published in 2020 reveals that the chicken was domesticated 8, 000 years ago.
Home incubators
________ are boxes holding from 6 to 75 eggs; they are usually electrically powered, but in the past some were heated with an oil or paraffin lamp.
traditional view
The ________ is that chickens were first domesticated for cockfighting in Asia, Africa, and Europe.
earliest known remains
What are from Mali, Nubia, East Coast, and South Africa and date back to the middle of the first millennium AD? Answer with a single words or term.
Today it
Studies suggest that cockfights have existed even up to the Indus Valley Civilisation as a pastime. What is commonly associated with religious worship, pastime, and gambling in Asian and some South American countries? Answer with a single words or term.
Male tail bending
________ (following successful copulation)
younger male
A(n) ________ may be called a cockerel; a male that has been castrated is a capon.
Stic chickens
________ are not capable of long- distance flight, although lighter chickens are generally capable of flying for short distances, such as over fences or into trees (where they would naturally roost)
vast majority of poultry
What are raised in factory farms? Answer with a single words or term.
Large numbers of embryos
________ can be provided by commercial chicken farmers who sell fertilized eggs which can be easily opened and used to observe the developing embryo.
Note
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