Genetics Review

Front

What is the expected percentage of offspring with brown eyes when crossing two Bb genotypes?

Back

75%

Front

What is an example of selective breeding?

Back

A person pollinates 2 white rose plants to only create white roses.

Front

How can genetic engineering improve crops?

Back

By introducing desirable traits such as pest resistance, drought tolerance, and improved nutritional content.

Front

What is selective breeding?

Back

A process to create an organism with desired traits from parents with those desired traits.

Front

What does an organism's genotype describe?

Back

Its genetic makeup.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What is the purpose of genetic engineering in agriculture?

Back

To enhance crop yield, resistance to diseases, and adaptability to environmental conditions.

Front

What is a Punnett square used for?

Back

To predict the genotypes and phenotypes of offspring from a genetic cross.

Front

What is the role of alleles in genetics?

Back

Alleles are different versions of a gene that determine specific traits.

Front

What is the significance of the 3:1 ratio in a monohybrid cross?

Back

It represents the expected phenotypic ratio of dominant to recessive traits in the offspring.