What Is the Expected Result When Two Homologous Chromosomes Fail

question 23

Multiple Choice

What is the expected result when two homologous chromosomes fail to separate during meiosis I of spermatogenesis?

• A)Fertilization of this gamete may result in a zygote that is 48, XXYY.
• B)One gamete will have two of these chromosomes, and one will have neither of these chromosomes.
• C)The risk for development of polygenic disorders is increased with fertilization of the polar body associated with this mature gamete.
• D)Increased genetic diversity is possible with fertilization of any of these four gametes because of an increased number of possible gene alleles.

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Definitions:

Cost Model

An accounting approach that measures an asset based on its historical cost minus any accumulated depreciation and impairment losses.

Impairment

Reduction in the recoverable value of an asset below its carrying amount.

Recoverable Amount

The higher value between an asset's fair market value less costs to sell and its value in use.

AASB 136

The Australian Accounting Standards Board standard that deals with impairment of assets, requiring assets to be carried at no more than their recoverable amount.