How many chromosomes does the typical human have?

How many PAIRS of chromosomes does the typical human have?

What is the name of the complex molecule with a double helix shape?

A short segment of DNA is called a(n)

Which form of cell division results in duplicate cells?

Which type of cell division occurs with gametes?

The sperm and egg cells are called

When the sperm and egg combine to form a single cell, they each are supposed to donate ____ chromosomes.

A person's actual genetic makeup is referred to as

Having brown hair or blue eyes are examples of

A picture of the number and visual appearance of a person's chromosomes is called a(n)

A typical biological male is ____ on the 23rd pair of chromosomes.

A typical biological female is ____ on the 23rd pair of chromosomes.

In typical cases, a mother donates an ___ chromosome on the 23rd pair to her offspring.

True or False: A father can donate an X or Y on the 23rd pair to his offspring.

True or False: It is the mother's egg that determines biological sex of the offspring.

True or False: It is the father's sperm that determines the biological sex of the offspring.

Which condition is also known as Trisomy 21?

Down Syndrome results from having three copies of chromosome ____.

True or False: Maternal age is the number one risk factor for having a child with Down Syndrome.

At age 35, the rates of a mother having a child with Down Syndrome are

Which disorder includes facial features such as flattened facial profile and small, upward slanting eyes?

True or False: Symptoms of Down Syndrome include poor muscle tone.

X-linked chromosome disorders are more common among

A person who is XXY on the 23rd pair would have which disorder?

Klinefelter Syndrome affects

Turner Syndrome affects

True or False: Individuals with Klinefelter Syndrome tend to be shorter than their peers.

A person with lowered testosterone, wide hips, reduced facial hair, and delayed puberty would most likely be diagnosed with

True or False: Individuals with Klinefelter Syndrome are more likely to experience learning disabilities.

A person who is X0 on the 23rd pair would be diagnosed with

Short stature, a webbed neck, swollen hands and feet, and infertility are typical symptoms of

True or False: Heart problems are common among individuals with Turner Syndrome.

Fragile X Syndrome is more common among

The X chromosome becomes constricted and breaks in

Which condition is caused by mutations of the FMR1 gene?

Severe intellectual disabilities along with a long, narrow face, prominent jaw and forehead, and flat feet are typical symptoms of

True or False: Seizures are a possible symptom of Fragile X Syndrome.

Red-Green Color Blindness affects more

The mutation for Fragile X Syndrome occurs on which chromosome?

The mutation for red-green color blindness occurs on which chromosome?

Mutations on genes that make proteins (called OPSIN) in the retina of the eye are responsible for

True or False: Individuals with red-green color blindness can only see in black, white, and shades of grey.

True or False: Cystic Fibrosis is more common among African Americans.

Mutations on the CFTR gene that are responsible for making a protein that produces sweat, saliva, tears, mucus, and digestive enzymes causes

Cystic Fibrosis is caused by a mutation on chromosome

Which of the following is caused by a mutation on chromosome 7?

Lung transplants are often needed in cases of

Lung complication are the most common cause of death in cases of

Insulin production is affected in

True or False: Rates of diabetes in childhood has risen in recent years.

True or False: Diabetes risk involves multiple genes on multiple chromosomes.

Hemophilia is caused by a mutation on which chromosome pair?

Hemophilia is more common among

Which disorder involves the build-up of a thick sticky mucus in the digestive tract and lungs?

Which disorder involves mutations in genes that provide instructions for making proteins called coagulation factors?

In individuals with this disorder, bleeding is a serious concern as the blood does not properly clot.

Treatment of this disorder involves replacing the missing clotting factors of the blood through an injection.

This disorder is caused by mutations in the HTT gene located on chromosome 4.

Average age of onset of this disorder is typically the 30s or 40s.

One of the major brain areas that is affected by Huntington's Disease is the

Typical symptoms of this disorder include depression, irritability, problems with decision making, and motor movements including involuntary movements and poor coordination.

True or False: Blood testing at birth can determine the presence of Phenylketonuria.

True or False: "Diet for life" is the common treatment for Sickle-Cell Anemia.

Which disorder is caused by a mutation on chromosome 4?

The inability to process the amino acid phenylalanine is central to

Which disorder is caused by a mutation on chromosome 12?

True or False: It is very important for individuals with PKU to avoid protein-based foods.

What is the typical treatment for an individual with PKU?

True or False: If a special diet is not strictly followed for individuals with PKU, severe mental impairment can occur.

Which disorder is caused by a mutation on chromosome 11?

Which disorder is caused my mutations in the HBB gene located on chromosome 11?

This disorder results in misshapen red blood cells that die off quicker than normal.

Delayed growth, vision problems, jaundice, pain, hypertension, heart disease, and stroke are just a few of the possible symptoms with

Which disorder is more common in individuals from easter and central european Jewish descent?

This disorder is caused by mutations in the HEXA gene which is responsible for making an enzyme that acts as a garbage disposal in the nervous system.

Which disorder affects chromosome 15?

Symptoms of this disorder include fairly normal development for the first 3-6 months of age and then regression.

Typically, death from this disorder occurs early, with an average life expectancy of 5 years old.

True or False: There is a cure for Tay Sachs Disease.

True or False: There is a cure for Huntington's Disease.

True or False: A lung transplant will cure Cystic Fibrosis.

Which prenatal testing procedure uses high frequency sound waves to generate a picture of the offspring?

True or False: Most pregnant women un the United States will undergo at least one prenatal ultrasound.

This prenatal testing procedure can be conducted between 15 and 18 weeks gestation and samples the amniotic fluid.

This prenatal testing procedure can be conducted between 9 and 12 weeks gestation and samples the membrane that surrounds the fetus.

True or False: It is considered safe to perform the chorionic villus sampling at 4 weeks gestation.

True or False: There are no risks associated with amniocentesis.

True or False: Noninvasive prenatal testing is considered to be just as accurate as amniocentesis or chorionic villus sampling.