Human Heredity Review

How many TOTAL chromosomes do humans have?

• 2
• 44
• 46
• 23

This is a picture of chromosomes arranged in homologous pairs---what is it called? 

• Genome
• Punnett Square 
• Karyotype
• Autosomal cells 

Tags

NGSS.HS-LS3-1

Looking at the karyotype, is this person male or female?

• There is no way to tell from a karyotype.
• Male 
• Female 
• This person has a genetic disorder

A gene located on the sex chromosome

• autosome
• sex-linked
• genetic disorder
• sex gene

This is a chart used to analyze the pattern of inheritance that shows the relationships in a family.

• pedigree
• genotype
• genome
• karyotype

There are _______ autosomes in humans.

• 2
• 23
• 46
• 44

Which of the following disorders can be observed in a human karyotype

• colorblindness
• trisomy 21
• cystic fibrosis
• sickle cell diease

Tags

NGSS.HS-LS3-1

Which of the following disorders is a direct result of nondisjunction?

• sickle cell disease 
• Turner's syndrome
• Huntington's disease
• cystic fibrosis

Tags

NGSS.HS-LS3-2

Colorblindness is more common in males than in females because

• Fathers pass the allele for colorblindness to their sons only
• The allele for colorblindness is located on the Y chromosome.
• The allele for colorblindness is recessive and located on the X chromosome.
• Males who are colorblind have two copies of the allele for colorblindness.

Tags

NGSS.HS-LS3-1

What is the probability that a human sperm cell will carry a X chromosome?

• 50%
• 100%
• 25%
• 0%

Tags

NGSS.HS-LS3-3