Genetics Review

Front

What is genetic engineering?

Back

Making changes in the DNA of an organism.

Front

What are the benefits of genetic engineering in crops?

Back

It can make crops pest or drought resistant, more nutritious, and larger.

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by alleles.

Front

What is a phenotype?

Back

The observable characteristics or traits of an organism.

Front

What does it mean for a trait to be dominant?

Back

A dominant trait shows up when at least one dominant allele is present.

Front

What does it mean for a trait to be recessive?

Back

A recessive trait shows up only when two recessive alleles are present.

Front

If two parents with genotype Bb are crossed, what percentage of their children will have brown eyes?

Back

75%.

Front

What is the genotype for a green phenotype when yellow is dominant?

Back

yy.

Front

What is the genotype for a yellow phenotype when yellow is dominant?

Back

Yy or YY.

Front

What is selective breeding?

Back

Choosing specific organisms to breed in order to produce desired traits.