Chromosomes and Karyotypes

The number of chromosomes in a typical human body cell is

• 23

• 46

• 92

• 64

A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called

• sister chromotids
• centromeres
• homologous chromosomes
• autosomes

Tags

NGSS.HS-LS3-1

Chromosome pairs 1-22 are referred to as

• sex chromosomes

• sister chromatids

• a karyotype

• autosomes

Which would be considered a somatic cell?

• Sperm cell
• Egg Cell
• Skin Cell
• All of these

Tags

NGSS.HS-LS1-4

True of False: this is a human karyotype.

• True

• False

What makes this individual's karyotype not typical?

• An extra sex chromosome

• An extra autosome

• A missing sex chromosome

• A missing autosome

A typical human has ___ pairs of autosomes and ___ pair(s) of sex chromosomes.

• 23,1
• 22,1
• 1, 22
• 1, 23

The X and Y chromosomes are known as the ___ chromosomes.

• sex
• autosome
• biological
• genetic

____ are chromosomes that contain genes for characteristics unrelated to gender.

• autosomes

• microsomes

• cosmos

• inheritance 

How many chromosomes are in a typical human sperm cell?

• 23

• 32

• 46

• 92