Genetic Diseases
Punnett Squares
Pedigrees
Length & Quality of Life
Vocabulary
100
Which disease causes heart defects and mental retardation?
Down's Syndrome
100
What is the chart used to show possible allele combinations?
Punnett Square
100
What does a square mean in pedigrees?
Male
100
True or False: Some genders live longer than others.
True
100
What is the definition of homozygous?
Two identical alleles
200
Which disease turns red blood cells into sickle shaped cells?
Sickle Cell Disease
200
Punnett Squares predict the ________ of an organisms offspring to have a trait.
Probability
200
What does half shading mean in a pedigree chart?
The person is a carrier of the trait
200
How can the environment affect the length and quality of life?
Sun Exposure can shorten life (cancer)
200
What is the definition of Heterozygous?
Two different alleles
300
Which disease only affects females and occurs when the X chromosome is missing?
Turner's Syndrome
300
What two types of letters are used for dominant and recessive traits?
Dominant- Upper Case (T) Recessive- Lower Case (t)
300
What does a vertical line mean on a pedigree chart?
Connects the parents to the children
300
How does medical care affect the length and quality of life?
Lack of medical care=lives lost Available medical care = lives lengthened
300
What is a dominant trait?
A trait that always shows up in the organism when it is present.
400
Which disease causes muscle weakness and troubled breathing?
Pompe Disease
400
What are the visible traits of the offspring in Punnett Squares?
Phenotype
400
True or False: A full shaded shape means that the person does not have the trait and is not a carrier
False, a full shaded shape means the person has the trait.
400
How does Sanitation affect the length and quality of life?
Lack of clean drinking water and poor living conditions can shorten your life.
400
What is a recessive trait?
A trait that is hidden whenever the dominant trait is present.
500
Which disease causes extreme coughing and mucus in the lungs?
Cystic Fibrosis
500
What is the allele combination called in a Punnett Square?
Genotype
500
What is a pedigree chart?
A chart or family tree that tracks which members of a family have a particular trait
500
How do genes affect the length and quality of life?
Faulty, missing, or extra genes can cause disorders, which could shorten your life
500
What is genetics?
The study of heredity.
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