Ch 8 Genetics

New journal: Ch 81. Define heredity.

• The passing of characteristics from parent to offspring.

Define GeneticsWho is the “Father” of Genetics?

• The scientific study of heredity.

• Gregor Mendel.

Write the genotype for a heterozygous tall plant.

• Tt

What is a pedigree?

• (Besides being a brand of dog food,)

a pedigree is a diagram in which several generations of a family and the occurrence of certain genetic characteristics are shown.

The unknown genotype of an individual with a dominant phenotype can be

determined using what?

• a test cross

Both sickle-cell anemia and hemophilia are caused by what?

• genes coding for defective protein.

• Which = genetic disorder

Where do you find sex-linked traits, and what gender is more likely to

have them?

• On the X chromosome

• Males