Summer School Biology - CH 7 - Section V Quiz

Having only one copy of a chromosome instead of two is called _________.

• Trisomy

• Replication

• Monosomy

• Recombination

Which term describes the failure of one or more pairs of chromosomes to separate?

• Massive polyploidy

• Genome distribution

• Nondisjunction

• Cloning

Which of the following methods do scientists use to locate genes on chromosomes?

• Gene strategy

• Gene linking

• Gene recombining

• Gene mapping

What is another name for a picture of all of an organism's chromosomes?

• Phenotype

• Genotype

• Karyotype

• Cladogram

What is the name of the worldwide project to sequence all the DNA in the human body?

• DNA Recombinant Project

• DNA Project

• Human Genome Project

• Global Sequencing Project

Which term describes the results of nondisjunction occurring in all chromosome pairs at once?

• Monosomy

• Duplication

• Multiple Replication

• Polyploidy

In Down Syndrome, the individual has three copies of chromosome 21. This is an example of what?

• base pairing

• trisomy

• monosomy

• polyploidy

Where do we see polyploidy most commonly in living things?

• We don't. Polyploid organisms can't survive.

• In plants

• In animals

• In single celled organisms