7.14 Heredity, Reproduction, Heredity, Natural Selecction

Chromosomes are found in the ____________ of the cell

• Chloroplast
• Nucleus
• Cytoplasm
• Mitochondria

The passing of DNA from parents to offspring

• Generation
• Heredity
• Inheritance
• Traits

What is a gene?

• An entire chromosome that  codes for a trait
• a piece of clothing
• a piece of a DNA on chromosome that codes for a trait
• Chemical messengers in your brain that code for a trait

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Recessive genes are expressed under which of the following conditions?

• Every time they are found in an organism.
• In green plants that reproduce through seeds
• When asexual organisms produce a pair of offspring
• Only in the absence of a dominant gene.

The gene for brown eyes is dominant over the gene for blue eyes.  If two blue-eyed parents have six children, how many of their children will have blue eyes

• Zero
• Two
• Four
• Six

A characteristic of an organism

• Trait
• Gene
• Dominant
• Heredity

The exact genetic information carried by a single individual is called?

• Genes
• Recessive
• Phenotype
• Genotype

A basic physical and functional unit of heredity made of DNA

• Recessive
• Nucleus
• Gene
• Phenotype

Which of the following statements accurately denotes the frequency of expression of dominant and recessive traits

• Dominant = Always / Recessive = Never
• Dominant = Never / Recessive = sometimes
• Dominant = Always / Recessive = Sometimes
• Dominant = Always / Recessive = Always