Traits and Reproduction

Why does cell division take place in single-celled organisms?

• for the organisms to grow

• to reproduce and pass on genetic information

• to enable the organisms to heal injured tissues

• to make specialized cells for different functions

Tags

7.14A

7.12F

Which of the following is an advantage of asexual reproduction over sexual reproduction?

• Asexual reproduction requires more energy.

• Asexual reproduction involves two parents.

• Asexual reproduction produces offspring at a faster rate.

• Asexual reproduction introduces genetic variation into a population.

Tags

7.14B

Which type of reproduction involves two parents and results in offspring that are not genetically identical to either parent?

• binary fission

• spore formation

• sexual reproduction

• vegetative reproduction

Tags

7.14B

Every organism has a set of instructions that determines its traits. Which term describes the process through which it receives this set of instructions?

• heredity

• gene

• repetition

• generation

Tags

7.14A

The diagram shows a method of reproduction. Which process is most likely represented?

• budding

• binary fission

• spore formation

• fertilization

Tags

7.14B

Which statement about genes is always true?

• Each gene is responsible for a single trait.

• Many genes are required to determine a single trait.

• Both inherited traits and acquired traits are determined by genes.

• Genes are located on chromosomes within the cell nucleus.

Tags

7.14C

Where is DNA found in a cell?

• cell wall

• Nucleus

• cell membrane

• chloroplast

Tags

7.14C

Which of the following is an example of a trait a person may have because of heredity?

• a light skin tone

• a blister on a finger

• a scar on a forehead

• a pierced ear

Tags

7.14A

Which of the following organisms can produce offspring that are genetically identical to the parent?

• ducks

• horses

• mosquitoes

• strawberry plants

Tags

7.14A

Which of the following is an advantage of asexual reproduction?

• The organism can increase in number quickly.

• It is a slow process.

• Two parents are needed.

• It introduces genetic diversity in the offspring.

Tags

7.14B