Brooker R. Ch. 8

What is an organism that contains two or more sets of chromosomes from two or more species called?

• Allodiploid

• Allotetraploid

• Allopolyploid

A process that involves a change in the direction of the genetic material along a single chromosome.

• Inversion

• Duplication

• Translocation

• Deficiency

Insert a word:

When a heterokaryon goes through nuclear fusion it produces a ______ with a single nucleus.

• heterokaryon

• heterosis

• hybrid cell

• parthenogenesis

Which of these pictures is an example of mosaicism?

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• 
• 
• 

What are specialized repeated sequences of DNA that are found at the ends of normal chromosomes, which tend to prevent translocations called?

• Gene duplication

• Paralogs

• Pericentric inversion

• Telomeres

A _____ is the region of a chromosome connecting the two centromeres.

• dicentric bridge

• translocation cross

• semisterility

• meiotic nondisjunction

What do you do if you want to determine if cancer cells have changes in chromosome structure?

• Paracentric inversion

• Comparative genomic hybridization

• Gene duplication

• Genetic cross

How do you call a form of structural variation in which a segment of DNA exhibits copy number differences among members of the same species?

• Comparative genomic hybridization

• Parthenogenesis

• Copy number variation

• Nondisjunction

How else could you call these homologous globin genes in humans?

• Telomeres

• Paralogs

• Homologs

• Triploids

Which of these chromosomes is acrocentric?

• 1

• 2

• 3

• 4