Biology-karyotypes

What is the total number of chromosomes in a normal human?

46 chromosomes and 23 pairs

The number and appearance of chromosomes in an organism is called

a karyotype

Who determines the gender of a human

Chromosomes inherited by the father

Which pair of chromosomes determines the gender

The X and Y chromosomes

Who study chromosomes and kyrotypes

Cytogeneticists

What is another name for Trisomy 13

Patau syndrome

What is another name for Trisomy 18?

Edwards syndrome

What is another name for trisomy 21

Down syndrome

What is XXY?

Klinefelter syndrome

What separates both arms of the chromosomes

is called the centromere.

What does a pedigree chart show

illustrate about genetic inheritance

How do you determine if a disorder us recessive

by analyzing the pedigree chart for affected individuals in families.

How can you determine if a disorder is dominant

No skipping and one parent carrying it

What is muscular dystrophy and its symptoms?

is a group of genetic disorders characterized by progressive muscle degeneration and weakness. Symptoms may include difficulty walking, muscle cramps, and loss of muscle mass.

What is sickle cell and it symptoms ?

disease is a genetic blood disorder that affects hemoglobin, leading to distorted red blood cells. Symptoms can include pain episodes, anemia, fatigue, and increased risk of infections.

What is cystic fibrosis and what causes it?

is a genetic disorder caused by mutations in the CFTR gene, leading to thick, sticky mucus production that can cause respiratory and digestive problems.