Genetics & Evolution Test

What is the significance of genetic variation in a population?

• It prevents evolution.

• It leads to uniformity among individuals.

• It provides a basis for natural selection.

• It causes species extinction.

Tags

NGSS.MS-LS4-4

What is Selective Breeding?

• A method of breeding that allows only the strongest individuals to reproduce

• A natural process where organisms adapt to their environment

• A process of choosing specific organisms to reproduce based on desired traits

• A random process of reproduction without any selection

Tags

NGSS.MS-LS4-5

What is the probability of heterozygous offspring?

• 25%
• 50%
• 0%
• 100%

Tags

NGSS.MS-LS3-2

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

• rr
• R
• RR
• RR or Rr

What is the primary function of DNA in living organisms?

• To provide energy for cellular activities

• To store and transmit genetic information

• To transport nutrients throughout the body

• To protect the cell from pathogens

Tags

NGSS.MS-LS3-1

Mimicry is:

• a form of camouflage

• a type of symbiosis

• a method of communication

• a survival strategy

Tags

NGSS.MS-LS4-4

Variation within a population can lead to adaptation and eventually result in natural selection. Which of the following examples best illustrates this process?

• A population of moths changing color over time to blend in with their environment.

• A single organism learning a new behavior during its lifetime.

• A species going extinct due to a sudden natural disaster.

• An individual animal growing larger due to abundant food resources.

Tags

NGSS.MS-LS4-4

An organism that survives longer is more likely to produce _______ offspring.

• less

• the same amount

• more

• no

Tags

NGSS.MS-LS4-4

What is the likelihood that the offspring will be green (G)?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.MS-LS4-4

What happens during DNA replication?

• DNA is translated into RNA

• DNA is transcribed into proteins

• DNA is duplicated

• DNA is destroyed