When a Researcher Transplanted the Nucleus of an Intestinal Cell

question 26

Multiple Choice

When a researcher transplanted the nucleus of an intestinal cell from a tadpole into an egg cell whose nucleus had been destroyed, the egg developed into a normal frog. This illustrates that:

• A)each cell of an organism has all the genes needed for development.
• B)the homeobox genes in a transplanted nucleus undergo mutation.
• C)a nucleus that is removed from its normal location is influenced by adjoining cells.
• D)scientists can clone a human by putting one of his or her nuclei into an egg cell.
• E)genes are lost in differentiation.

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Definitions:

Neglectful

Pertaining to a failure to provide adequate care or attention.

Emotional Distance

A state or condition in which individuals keep themselves emotionally separated or detached from others, often as a coping or defense mechanism.

Little Supervision

A situation where individuals, particularly children, are given minimal oversight or guidance by caregivers or authorities.

Mixed-sex Sibling Pairs

Pairs of brothers and sisters of different genders within the same family.