Genetics Review

How many chromosomes are shown in a normal human karyotype?

• 2
• 23
• 44
• 46

Human males have

• one X chromosome only.
• two X chromosomes.
• one X and one Y chromosome.
• two Y chromosomes.

In a pedigree, such as the one in Figure 14–4, a circle represents a(an)

• male.

• female.

• child.

• adult.

Tags

NGSS.HS-LS3-2

Which of the following combinations of sex chromosomes represents a female?

• XY
• XXY
• XXXY
• XX

How many generations are shown in the pedigree in Figure 14–5?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-LS3-1

The following picture is known as a ___________________.

• punnett square
• pedigree
• karyotype
• gamete

Tags

NGSS.HS-LS3-1

_______________ is a sex linked hereditary disease in which clotting factors are missing from the blood. 

• PKU
• Sickle Cell Anemia
• Cystic Fibrosis
• hemophillia

Tags

NGSS.MS-LS3-1

Karyotypes are useful for detecting _______.

• Missing or extra chromosomes
• All genetic disorders
• Cystic Fibrosis
• Huntington's Disease

Gene located on the X or Y chromosome

• Homozygous dominant
• nondisjunction
• Sex-linked gene
• Autosomal Disorder

What disease is characterized by abnormally shaped red blood cells?

• hemophilia
• sickle cell anemia
• phenylketonuria
• Huntington's 

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2