Fertilization pictures of egg sperm

Description:Share shares Researchers found no evidence the mutated mice embryos were dying shortly after fertilisation, rather they were never fertilised. When males had the mutant version of the gene only 27 per cent of the offspring had the mutant variant, compared to the 75 per cent they expected to see William Eberhard, a behavioural ecologists from the Smithsonian Tropical Research Institute has dubbed this phenomenon 'cryptic female choice'. There is no evidence of how the eggs and sperm might do this but Dr Nadeau believes there are two possibilities.

Views: 7617 Date: 2018-07-28 Favorited: 35