Unit 5: Sexual Notes

Multiple Choice

Which of the following statements about sexual reproduction is correct?

• It requires two parents and involves gametes.

• It produces offspring identical to the parent.

• It occurs only in plants.

• It does not involve meiosis.

Multiple Choice

During fertilization, a sperm and an ___ fuse to form a zygote.

• ova
• sperm

• zygote

• cell

Multiple Select

Which of the following are advantages of sexual reproduction?

• Leads to genetic variation

• Removes bad genes from the population

• Organism is more protected from weaknesses

• Produces offspring identical to parents

Multiple Choice

What is one disadvantage of sexual reproduction compared to asexual reproduction?

• It produces more offspring.

• It takes longer and requires more energy.

• It always passes down favorable genes.

• It does not require finding a mate.

Multiple Choice

What is the difference between genetic engineering and selective breeding?

• Genetic engineering is a precise manipulation of DNA, while selective breeding is the selection of parent organisms for desired traits.
• Genetic engineering is a method used only in plants, while selective breeding is used in animals.
• Selective breeding can create entirely new species, whereas genetic engineering cannot.
• Genetic engineering involves only natural processes, while selective breeding uses technology.