Gen. Bio. Chapter 10 Mitosis

Who first observed chromosomes?

• Ingenhouz

• Flemming

• Niel

• Blackman

 

How many chromosomes do Humans have

• 46 total

• 50 total

• 23 pairs

• 25 pairs

Describe the replication of chromosomes in bacterial cells.

• begins at the circular loop and then is replicated at "origin of replication"

• begins at “origin of replication” and replicated in both directions

  around the circular loop.

The word mitosis comes from

• greek word meaning thread

• latin word meaning thread

• greek word meaning together

• latin word meaning together

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A complex of DNA and histone protein is called?

• diploid

• Chromatin

• Chromosome

• Centromere

The further coiling of nucleosomes wrapped into higher order coils for maximum compaction

• nucleosomes

• solenoids

• karyotypes

• cohesins

Chromosomes consist of hundreds or thousands of ____, which make you - you!

• nucleosome

• cohesin

• genes

• chromatin

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One complete set of chromosomes is called

• haploid

• diploid

• chromatin

• chromosome

The protein that holds identical chromosomes together at centromere

• centromere

• cohesin

• sister chromatids

• chromatin

A pair of homologous chromosomes

• centromere

• sister chromatids

• homologous chromosomes

• karyotype

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