Heidelbergensis is believed to have evolved from African H. erectus, also known as Homo ergaster, during the first early hominin advancements out of Africa, which are thought to have started around 2 million years ago. The one's who migrated through Europe and remained in Africa either speciated into H. heidelbergensis or underwent evolution.
Regional variations in Homo heidelbergensis eventually led to the emergence of two species of humans. Homo heidelbergensis populations in Europe gave rise to Homo neanderthalensis (the Neanderthals), whereas Homo heidelbergensis populations in Africa gave rise to our own species, Homo sapiens.
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Answer:
46
Explanation:
During fertilization, gametes from the sperm combine with gametes from the egg to form a zygote. The zygote contains two sets of 23 chromosomes, for the required 46. Most women are 46XX and most men are 46XY, according to the World Health Organization.
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