Unit 13: Human Genetics

How many chromosomes do humans typically have?

• 46

• 45

• 47

• 23

Tags

NGSS.HS-LS3-1

A picture of chromosomes during mitosis that are arranged from largest to smallest is called a(n) _____.

• Karyotype

• Genome

• PMAT

• Nondisjunction

Tags

NGSS.HS-LS1-4

Chromosome pairs 1 through 22 are called _____.

• sex chromosomes

• autosomal chromosomes

Chromosome pair 23 is called _____.

• sex chromosomes

• autosomal chromosomes

What are the female sex chromosomes?

• XX

• XY

• YY

• XZ

What are the male sex chromosomes?

• XX

• XY

• YY

• XZ

What term refers to an organism's complete set of DNA?

• Karyotype

• Genome

• PMAT

• Nondisjunction

This occurs when homologous chromosomes do not separate during Meiosis.

• Crossing over

• Transcription

• Nondisjunction

• Fertilization

What is the sex of the individual shown in the karyotype below?

• Male

• Female

How many chromosomes does the individual shown in the karyotype have?

• 23

• 45

• 46

• 47

Tags

NGSS.HS-LS3-1