Karyotypes By Dr. Cao. Karyotypes These are pictures of chromosomes that tell us the number, size,...

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Karyotypes By Dr. Cao

Transcript of Karyotypes By Dr. Cao. Karyotypes These are pictures of chromosomes that tell us the number, size,...

Page 1: Karyotypes By Dr. Cao. Karyotypes These are pictures of chromosomes that tell us the number, size, and shape of chromosomes in an organism They help us.

KaryotypesBy Dr. Cao

Page 2: Karyotypes By Dr. Cao. Karyotypes These are pictures of chromosomes that tell us the number, size, and shape of chromosomes in an organism They help us.

Karyotypes

These are pictures of chromosomes that tell us the number, size, and shape of chromosomes in an organism

They help us determine:GenderHealth status

Healthy female karyotype

Page 3: Karyotypes By Dr. Cao. Karyotypes These are pictures of chromosomes that tell us the number, size, and shape of chromosomes in an organism They help us.

Down’s Syndrome

• Trisomy 21• Symptoms:-delays in physical growth-mild to moderate intellectualDisability-characteristic facial features

Summary: Extra chromosome @ Chromosome 21

Page 4: Karyotypes By Dr. Cao. Karyotypes These are pictures of chromosomes that tell us the number, size, and shape of chromosomes in an organism They help us.

Klinefelter’s Syndrome

• Males with an extra X chromosome• Affected individuals do not produceas much testosterone as usualSummary: Extra X chromosome @chromsome # 23

Page 5: Karyotypes By Dr. Cao. Karyotypes These are pictures of chromosomes that tell us the number, size, and shape of chromosomes in an organism They help us.

Turner’s Syndrome

• Females who are partly or completely missing an X chromosome• Typically unable to reproduce• May have heart defects and

diabetesSummary: Typically only 1 X chromosome @ chromosome #23