Biology Topic Practice

Genetic Engineering

Genetic engineering involves modifying the genome of an organism by introducing a gene from another organism.

Name a medical use for genetic engineering.

What is Genetic Engineering?

"Genetic engineering is the deliberate modification of the characteristics of an organism by manipulating its genetic material."

Question 1

How many times does the cell divide during meiosis?

Question 2

Why is understanding the human genome important for modern medicine?

Question 3

Which group belongs to the domain Archaea rather than true bacteria?

Question 4

If both parents are heterozygous (Bb) for a recessive trait (b), what is the probability their child will express the trait?

Genomic Modification

Genes can be cut out of one organism (using enzymes) and transferred to the cells of another.

Crops can be engineered to be resistant to diseases or insects, or to have higher yields.

Bacterial cells are engineered to produce human insulin to treat diabetes.

Concerns: Potential risks to wild flowers and insects, and the long-term health effects of GM crops.

Exam Tip

GM (Genetically Modified) crops are controversial; they have high yields but their impact on biodiversity must be carefully monitored.

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