Somebody Has Murdered a Dark-Haired Pre-Pubescent Girl in the Area

question 54

Multiple Choice

Somebody has murdered a dark-haired pre-pubescent girl in the area last year and left her mutilated body near the train tracks. This year, another dark-haired girl of about the same age was murdered and her body left near the train tracks in the same general area. Based on what you have learned from the textbook, can it be a serial killer's job?

• A) Yes because there are enough similarities between the two cases.
• B) Not conclusive because there are fewer than three cases with similarities.
• C) Only if there is matching DNA evidence from the scenes of both crimes.
• D) It must be either a serial killer or a mass murderer.

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Definitions:

Trophoblast

Cell layer forming the outer layer of the blastocyst, which erodes the uterine mucosa during implantation; the trophoblast does not become part of the embryo but contributes to the formation of the placenta.

Gastrula

An early embryonic stage following the blastula, characterized by the formation of three primary germ layers that will develop into different tissues and organs.

Developmental Events

Significant occurrences or processes that contribute to the growth or maturation of an organism at any stage in its life cycle.

Conception

The process of fertilization where a sperm fuses with an ovum, resulting in the formation of a zygote and the beginning of pregnancy.