SHS EOC review -3 Genetics Quiz

What is the role of DNA replication in genetics?

• It is responsible for the physical characteristics of organisms.

• It helps in the transmission and conservation of genetic information.

• It is the process by which cells digest food molecules.

• It is a type of mutation that occurs in the DNA sequence.

What can gene and chromosomal mutations in the DNA sequence lead to?

• They always result in a phenotypic change.

• They can never result in a phenotypic change.

• They may or may not result in a phenotypic change.

• They result in the immediate death of the organism.

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What are the basic processes involved in the expression of genes?

• Photosynthesis and respiration

• Mitosis and meiosis

• Transcription and translation

• Replication and mutation

Why are the basic components of DNA considered universal in organisms?

• Because DNA is only found in humans.

• Because DNA components vary greatly among different organisms.

• Because the basic components of DNA are the same across different organisms.

• Because DNA is not essential for life.

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How do similarities in the genetic codes of organisms relate to common ancestry and inheritance?

• They indicate that all organisms are physically identical.

• They suggest that organisms do not share a common ancestor.

• They show that inheritance plays no role in genetic makeup.

• They imply that organisms share a common ancestry and that inheritance processes are involved.

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What is the main difference between the processes of mitosis and meiosis?

• Mitosis involves the digestion of food, while meiosis is related to genetic inheritance.

• Mitosis results in genetically identical cells, while meiosis leads to genetic variation.

• Mitosis and meiosis are the same processes with different names.

• Mitosis occurs only in animals, while meiosis occurs only in plants.

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What type of chromosome number do somatic cells have?

• Haploid (n)

• Diploid (2n)

• Triploid (3n)

• Tetraploid (4n)

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Which of the following are considered sex cells?

• Somatic cells

• Gametes

• Blood cells

• Nerve cells

What are the two main types of gametes?

• Red blood cells and white blood cells

• Neurons and glial cells

• Eggs - Ova and Sperm

• Muscle cells and fat cells

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What type of chromosome number do gametes have?

• Haploid (n)

• Diploid (2n)

• Triploid (3n)

• Tetraploid (4n)