Biology Ch. 9 - Patterns of Inheritance

5 Written Questions

1. The term that describes the expressed trait in an organism is
2. Missing a protein required for muscle formation
3. Most genetic disorders of humans are caused by
4. A mutation that occurs on chromosomes #1-22 is
5. Any gene located on a sex chromosome

5 Matching Questions

1. Proteins....in the plasma
2. Tay-Sachs disease
3. A pedigree
4. Phenylketonuria
5. The same locus on homologous

1. a The alleles of a gene are found at _____ chromosomes
2. b The antibodies are _____ found _____
3. c Missing an enzyme that breaks down phenylalanine/results in brain damage
4. d Missing an enzyme that breaks down lipids in the brain/destroys brain cells
5. e A chart that shows the relationships among parents and children over more than one generation and is used for genetic analysis is called

5 Multiple Choice Questions

1. Why are sex-linked diseases more common in men than in women
   1. Not affected at all by the disease
   2. Men need inherit only one copy of the recessive allele on the X chromosome for the disease to be expressed
   3. Heterozygous for the trait and able to transmit it to offspring
   4. Applies to all sexually reproducing organisms
2. Thick heavy mucus clogs lungs
   1. Cystic fibrosis
   2. Type O
   3. Crossing over
   4. Type AB
3. Degeneration of nerves and breakdown of brain cells/loss of muscle control
   1. Tay-Sachs disease
   2. Huntington's disease
   3. An autosomal disorder
   4. Sickle-cell disease
4. A mutation that occurs on the sex chromosome is
   1. A pedigree
   2. An autosomal disorder
   3. Sickle-cell disease
   4. A sex-linked disorder
5. The term that describes the genetic make-up of an organism for a particular trait is
   1. One
   2. Phenotype
   3. Type O
   4. Genotype

5 True/False Questions

1. Applies to all sexually reproducing organisms → Any gene located on a sex chromosome

   True        False

2. Carbohydrates...on the red blood cell → The antibodies are _____ found _____

   True        False

3. Agglutination → The matching of A antigens with A antibodies in the blood is

   True        False

4. Weight → Which genetic trait is most influenced by the environment?

   True        False

5. Not affected at all by the disease → The vast majority of people afflicted with recessive disorders are born to parents who were

   True        False