The Early Stage of Embryonic Development During Which Rapid Mitotic

question 39

Multiple Choice

The early stage of embryonic development during which rapid mitotic cell divisions occur as the zygote travels down the uterine (fallopian) tube is called ________.

• A) the acrosomal reaction
• B) cleavage
• C) fertilization
• D) implantation

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Definitions:

Pruning

The process of synapse elimination in the brain, where weaker neural connections are removed to strengthen important ones, crucial for brain development.

Early Menarche

The onset of the first menstrual cycle at an earlier age than the statistical average, a factor that may influence physical and psychological health outcomes.

Parental Warmth

Describes the affection, support, and nurturing behavior exhibited by parents towards their children, which is crucial for healthy psychological development.

Secular Trend

a long-term pattern observed in data series over a significant period, indicating a general direction of change in society that is not attributed to seasonal or cyclical variations.