Unit 2: Reproduction & Heredity Test

Which of the following genotypes is homozygous recessive?

• rr
• AA
• TT
• Ff

T = tall an t = short
What is the phenotype for Tt?

• short
• tall
• medium sized
• neither tall or short

Speaking is a/an __________ trait.

• inherited
• acquired

Natural blue eyes

• Acquired Trait

• Inherited Trait

The blending of two traits is known as ---

• incomplete dominance

• codominance

Which is NOT an advantage for asexual reproduction?

• Less genetic variation

• No need for a mate

• Quick

• Produces more offspring

What type of asexual reproduction is taking place?

• Binary Fission

• Budding

• Fragmentation

• Vegetative Reproduction

Which of these choices describes a zygote?

• a structure or organ within an organism that produces gametes

• a cell that forms as the result of fertilization and has a full set of chromosomes

• a spore-like cell that is produced during asexual reproduction and can grow into a new organism

• a specialized cell that contains half the number of chromosomes found in other cells of an organism

Why do we need meiosis?

• To create body cells

• To create sex cells

• To replace damaged cells

• To create a single-celled organism

Identify a purpose of mitosis. Select all that apply.

• Produce gametes for reproduction.

• Repair damaged or dead cells.

• Reduce the chromosome number.

• Growth of organisms from birth to adulthood.