Genetics

Front

What are the possible blood types of a child if one parent has blood type AO and the other has blood type BO?

Back

The child could have blood types OO, AB, AO, or BO.

Front

What is the genotypic percentage resulting from a cross that produces BB = 25%, Bb = 50%, and bb = 25%?

Back

The genotypic percentage is BB = 25%, Bb = 50%, bb = 25%.

Front

What does homozygous recessive mean?

Back

Homozygous recessive refers to having two identical recessive alleles for a trait, represented as 'dd'.

Front

What is the term for the observable traits of an organism?

Back

Phenotype.

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a trait, represented as 'Dd'.

Front

Define genotype.

Back

Genotype is the genetic makeup of an organism, representing the alleles inherited from parents.

Front

What is the difference between phenotype and genotype?

Back

Phenotype is the physical expression of traits, while genotype is the genetic code that determines those traits.

Front

What are alleles?

Back

Alleles are different forms of a gene that can exist at a specific locus on a chromosome.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genotypes of offspring from a genetic cross.

Front

What does it mean if a trait is dominant?

Back

A dominant trait is one that is expressed in the phenotype even if only one dominant allele is present.