In an Allopolyploid Organism, What Is True Regarding the Fertility

question 30

Multiple Choice

In an allopolyploid organism, what is true regarding the fertility of interspecies hybrids?

• A)Interspecies hybrids are fertile due to nonhomology of chromosomes.
• B)Chromosome doubling and nondisjunction in gametocytes can lead to homologous chromosome pairing, disjunction, and fertile hybrids.
• C)Interspecies hybrids will be fertile so long as there is an even number of chromosomes in the offspring.
• D)Mitotic nondisjunction results in haploid cells.
• E)Meiotic nondisjunction produces three haploid gametes and one diploid gamete.

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Definitions:

Unregulated Monopoly

A market structure in which a single supplier dominates the market without any government intervention or regulation.

Economically Efficient

A situation where resources are allocated in a way that maximizes the production of goods and services without wasting any resources.

Zero Economic Profits

A situation where a firm's total revenues exactly equal its total costs, indicating no supernormal profit but covering all operating expenses.

Long-Run Equilibrium

A state in which a market's supply and demand balance out over time, with all firms earning normal profit and no incentive for new firms to enter or existing ones to exit.