There is an initial duplication of DNA before cell division followed by stages of ... each parent contributes 23 chromosomes to the zygote through a process of chromosomal reduction called meiosis ...

"In the early 7th century, Allah (God) meticulously revealed in the Quran, the process of human development in a comprehensive chronological order." ...

In 1896, in his seminal work "The Cell in Development and Inheritance", the cell biologist Edmund B. Wilson formulated a ...

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Morphometric parameters of living human in-vitro fertilization embryos: importance of the asynchronous division process ... woman's smoking status on oocyte, zygote, and day 3 pre-embryo quality ...