Genetics Lessons 1&2

Multiple Choice

What is an example of an environmental factor that could impact growth?

• Population density
• Wind speed
• Soil type
• Temperature, light, and water availability

Multiple Choice

What type of plant did Gregor Mendel study?

• pea plants
• rose plants
• cactus plants
• sunflower plants

Multiple Choice

What is genetics?

• The study of weather patterns
• The study of ancient civilizations
• The study of oceanography
• The study of genes and heredity

Multiple Choice

Which set of alleles is an example of purebred?

• Aa or Aa
• Aa or AA
• aa or Aa

• AA or aa

Multiple Choice

What is an allele?

• A variant form of a gene
• A unit of measurement for weight
• A type of cell in the body
• A type of rock formation

Multiple Choice

What are recessive alleles represented by?

• Uppercase letters
• Numbers
• Symbols
• Lowercase letters

Match

Match the following words with their definitions

• Recessive

• Dominant

• Genotype

• Heterozygous

• Homozygous

Expressed only in the homozygous condition

Expressed in the heterozygous condition

An organism's genetic makeup

Having two different alleles for a gene

Having two identical alleles for a particular gene

• Expressed only in the homozygous condition

• Expressed in the heterozygous condition

• An organism's genetic makeup

• Having two different alleles for a gene

• Having two identical alleles for a particular gene