What Explanation Is Generally Given for Lethality of Monosomic Individuals

question 15

Multiple Choice

What explanation is generally given for lethality of monosomic individuals?

• A)The loss of a single chromosome is not generally lethal,unless the individual is inbred.
• B)Cells count the number of chromosomes they have and will undergo apoptosis when the chromosome number is incorrect.
• C)Monosomic chromosomes cannot undergo mitosis correctly.
• D)The gametes of monosomic individuals cannot undergo meiosis,and this is lethal.
• E)Monosomy may unmask recessive lethals that are tolerated in heterozygotes carrying the wild- type allele.

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Definitions:

LIFO Method

An inventory valuation method that assumes the last items placed in inventory are the first sold during an accounting year; stands for Last-In, First-Out.

Ending Inventory

The total value of a company's merchandise, raw materials, and finished and unfinished products which have not yet been sold, at the end of an accounting period.

Hammers

Hammers are hand tools with a weighted head fixed to a long handle, used for delivering an impact to an object.

FIFO Method

"First In, First Out" inventory management system where the goods purchased or produced first are sold or used first.