Compared with 31P, the Radioactive Isotope ³²P Has

question 55

Multiple Choice

Compared with 31P, the radioactive isotope ³²P has

• A)a different atomic number.
• B)one more neutron.
• C)one more proton.
• D)one more electron.
• E)a different charge.

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Definitions:

Hybrid Breakdown

A postzygotic barrier where offspring of cross-species or cross-strain matings have reduced survival rates or fertility.

Gametic Isolation

A form of prezygotic barrier where the gametes (egg and sperm) of two different species are unable to fuse or meet to form a viable zygote.

Hybrid Sterility

A condition in which offspring from the crossing of two different species or distinct parental lines are incapable of producing fertile offspring.

Temporal Isolation

A form of reproductive isolation where two species breed at different times of day, season, or years, preventing interbreeding.