Rita Is Pregnant

question 70

Multiple Choice

Rita is pregnant. When she conceived, two separate ova were fertilized at the same time, and each implanted in the uterus. Rita can expect to give birth to

• A) a child with Down syndrome.
• B) a premature child.
• C) fraternal twins.
• D) identical twins.
• E) monozygotic twins.

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Definitions:

Sensor

A device that detects or measures a physical property (such as temperature, light, pressure) and records, indicates, or otherwise responds to it.

Photoelectric Sensors

Devices that detect objects, changes in light intensity, or proximity by emitting and receiving light.

Phototransistor

A semiconductor device that detects light and converts it into an electrical signal, used in various sensing and light detection applications.