Science: Ch. 13 Test

a Genetic disorder that causes the causes red blood cells to be hard and curved.

• Down Syndrome
• Cystic Fibrosis
• Sickle Cell Anemia

A genetic disorder that causes mucus to clog the lungs and air passages and prevents food from being fully digested

• Down Syndrome
• Cystic Fibrosis
• Sickle Cell Anemia

A genetic disorder that occurs when a chromosome makes an extra copy of itself, which may cause some disabilities.

• Down Syndrome
• Cystic Fibrosis
• Sickle Cell Anemia

Genetic engineering can be both helpful and harmful

• True
• False

The arrangement of genes within the organism

• codominate
• genotype
• phenotype

The physical appearance of an organism

• codominate
• genotype
• phenotype

The characteristic that is shown in the hybrid generation

• dominant trait
• codominate
• incomplete dominance
• recessive trait

The characteristic that is hidden in the hybrid generation but appears in later generations.

• dominant trait
• codominate
• incomplete dominance
• recessive trait

Happens when both genes for a trait are expressed

• dominant trait
• codominant
• incomplete dominance
• recessive trait

happens when the genes for a trait blend together

• dominant trait
• codominant
• incomplete dominance
• recessive trait