Test Flashcards
What type of organism exhibits euploidy
Everything has euploidy, so every answer is correct
What is aneuploidy
They either lack chromosomes or have extra ones
What are the master genes that regulates what types of cells to make?
Homeobox
What is the name of the environmental factor that has been linked to cancer?
Carcinogen
Genes that are involved in regulating the cell cycle are called what?
Proto-oncogenes
Tumor suppressor genes
Genes that are involved in promoting cell growth and division are called what
A variety of jeans are involved in the control of cell growth and division
What does the cell disregard when it becomes cancerous
Cancer cells ignore signals from other cells
Why would you rather have a gene mutation?
It only alters one gene, as the chromosomal mutation breaks the chromosomal chain
Name and describe an example of aneuploidy in a human
Down syndrome
Down syndrome: is caused by a trisomy of the twenty first chromosome. Individuals with down syndrome maybe male or female and are characterized by low mentality, short stature, stubby hands and feet,an extra fold of skin on the eyelids , as well as other defects.
What is the difference between a benign and malignant?
Benign: characterized by abnormal cell growth usually localized and nonaggressive
Malignant: characterized by rapid and chaotic growth; often spreads and may be fatal
What is euploidy?
Chromosomes number is the exact multiple of the haploid
