PBS 2.2

Front

What type of tumor is considered worrisome?

Back

Malignant tumors are considered worrisome because they can invade nearby tissues and spread to other parts of the body.

Front

What is the transcription of the DNA strand CTG AAT?

Back

The transcription of the DNA strand CTG AAT is GAC UUA.

Front

If a pedigree shows an autosomal recessive disorder, what must the genotype of individual II-3 be?

Back

The genotype of individual II-3 must be hh.

Front

What is a non-cancerous tumor called?

Back

A non-cancerous tumor is called benign.

Front

What is a mutation?

Back

A mutation is defined as a change in the DNA sequence.

Front

What is the difference between malignant and benign tumors?

Back

Malignant tumors are cancerous and can spread, while benign tumors are non-cancerous and do not spread.

Front

What does autosomal recessive mean?

Back

Autosomal recessive means that two copies of an abnormal gene must be present for the disease or trait to develop.

Front

What is the role of DNA in genetics?

Back

DNA carries the genetic information necessary for the growth, development, and reproduction of organisms.

Front

What is a pedigree chart?

Back

A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors.

Front

What is the significance of a biopsy?

Back

A biopsy is a medical test that involves the removal of cells or tissues for examination to determine if a tumor is benign or malignant.