If All the Offspring of a Testcross Are Alike and Resemble

question 42

Multiple Choice

If all the offspring of a testcross are alike and resemble the organism being tested, then that parent is ____.

• A)homozygous dominant
• B)homozygous recessive
• C)heterozygous
• D)recessive
• E)incompletely dominant

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Definitions:

Top-Down Processing

A cognitive process in which the brain utilizes previously held knowledge and expectations to interpret and perceive new information.

Retinal Image

The image projected on the retina of the eye, where light-sensitive cells convert it into neural signals for processing by the brain.

Size Constancy

The perceptual stabilization of the size of objects as seen from varying distances, despite the changes in the size of the image on the retina.

Subjective Contours

Visual illusions where contours are perceived where none actually exist, demonstrating the mind's ability to fill in gaps in visual input.