CBA Review - SG

Front

What is heredity?

Back

Heredity is the passing on of traits from parents to offspring.

Front

What is the expected phenotypic ratio in a monohybrid cross?

Back

The expected phenotypic ratio in a monohybrid cross is 3:1.

Front

What percentage of offspring are homozygous recessive in a typical genetic cross?

Back

25% of the offspring are expected to be homozygous recessive.

Front

What is the chance of a blue-eyed baby from two brown-eyed parents (Bb)?

Back

The chance of having a blue-eyed baby from two brown-eyed parents (Bb) is 25%.

Front

Define heterozygous.

Back

Heterozygous refers to a genotype where one dominant and one recessive allele are present for a trait.

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses.

Front

What is an allele?

Back

An allele is a variant form of a gene that can result in different traits.

Front

What does homozygous dominant mean?

Back

Homozygous dominant refers to a genotype where two dominant alleles are present for a trait.

Front

What does homozygous recessive mean?

Back

Homozygous recessive refers to a genotype where two recessive alleles are present for a trait.

Front

What is a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.