Chromosomes and Somatic Cells

Pairs of similar chromosomes are called...

• homologous chromosomes

• sister chromatids

When a cell divides, DNA strands coil around proteins to form...

• chromatin

• chromosomes

Homologous chromosome pairs are a combination of how many chromosomes from each parent?

• 1 from each parent

• 2 from each parent

What is an organized picture of all of an organism's homologous chromosome pairs lined up with each other?

• Pedigree

• Karyotype

Which type of chromosome determines if someone will be male or female?

• autosomes

• sex chromosomes

Which set of chromosomes represents a male?

• XX

• XY

Which set of chromosomes represents a female?

• XX

• XY

In a duplicated chromosome, sister chromatids are attached by what structure?

• centromere

• centriole

• chromatin

Cells that contain 2 sets of chromosomes are called...

• haploid

• diploid

How any pairs of autosomes do human cells contain?

• 22

• 46

• 1

• 23