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The mule is a domestic equine hybrid between a donkey and a horse.It is the offspring of a male donkey (a jack) and a female horse (a mare). [1] [2] The horse and the donkey are different species, with different numbers of chromosomes; of the two possible first-generation hybrids between them, the mule is easier to obtain and more common than the hinny, which is the offspring of a male horse ...
A boa constrictor in the U.K. gave birth to 14 babies — without a mate. The process is called parthenogenesis, from the Greek words for “virgin” and “birth.”
This is because mammals have imprinted genetic regions, where either the maternal or the paternal chromosome is inactivated in the offspring for development to proceed normally. A mammal developing from parthenogenesis would have double doses of maternally imprinted genes and lack paternally imprinted genes, leading to developmental abnormalities.
The Martina Franca donkey was in the past used as a beast of burden and as a light draught animal, but its principal use was in the production of mules, particularly when crossed with the Murgese horse to produce the well-known mulo martinese, or "mule of Martina Franca", which was exported throughout Italy and much used in the First World War.
A zebroid is the offspring of any cross between a zebra and any other equine to create a hybrid.In most cases, the sire is a zebra stallion but not every time. The offspring of a donkey sire and zebra dam, called a donkra, and the offspring of a horse sire and a zebra dam, called a hebra, do exist, but are rare and are usually sterile.
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Swank revealed the babies' names for the first time in a sweet Valentine's Day 2024 post. She shared a photo of her twins in colorful bathing suits and matching wide-brim hats, sitting on a sandy ...
Poitevin mule with pack-saddle at the Salon International de l'Agriculture in Paris in 2013. The Poitevin mule or French: mule Poitevine is a type of large mule from the former province of Poitou in western central France. It is the product of mating between a Baudet du Poitou jack or donkey stallion with a mare of the Poitevin Mulassier breed ...