Heredity: Inheritance and Variation of Traits

Which of the following is a possible way that inheritable genetic variations can occur?

• Binary fission

• Photosynthesis

• Meiosis

• Photosystem II

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NGSS.HS-LS3-2

What is the primary purpose of meiosis in relation to inheritable genetic variations?

• To produce genetically identical cells

• To create new genetic combinations

• To repair errors in DNA replication

• To generate energy for the cell

Tags

NGSS.HS-LS3-2

Which of the following is NOT a possible source of inheritable genetic variations?

• New genetic combinations through meiosis

• Viable errors occurring during replication

• Mutations caused by environmental factors

• Genetic drift

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NGSS.HS-LS3-2

Which process is responsible for creating new genetic combinations during meiosis?

• Transcription

• Translation

• Crossing over

• DNA replication

Tags

NGSS.HS-LS3-2

What type of errors occurring during DNA replication can lead to inheritable genetic variations?

• Missense mutations

• Silent mutations

• Frameshift mutations

• Nonsense mutations

Tags

NGSS.HS-LS3-2

Which of the following is an example of an environmental factor that can cause mutations leading to inheritable genetic variations?

• Exposure to ultraviolet (UV) radiation

• Consuming genetically modified foods

• Lack of physical exercise

• Mental stress

Tags

NGSS.HS-LS3-2

How do inheritable genetic variations contribute to evolution?

• They have no impact on evolution

• They increase genetic stability

• They decrease species diversity

• They provide the raw material for natural selection

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Which of the following is true about mutations caused by environmental factors?

• They only occur in somatic cells

• They are always harmful to the organism

• They can occur in germline cells

• They do not contribute to genetic variations

Tags

NGSS.HS-LS3-2

Which process is responsible for the formation of gametes?

• Mitosis

• Meiosis

• DNA replication

• Transcription

What is the main purpose of mutations caused by environmental factors?

• To increase genetic stability

• To eliminate genetic variations

• To promote species extinction

• To introduce new genetic traits

Tags

NGSS.HS-LS3-2