Outcome S.7.2.3

Front

What does the allele 'T' represent in genetics?

Back

The allele 'T' represents the trait for tallness.

Front

What does the term 'heterozygous' mean?

Back

Heterozygous refers to having two different alleles for a trait, such as Bb.

Front

What is the phenotype of an organism?

Back

The phenotype is the observable physical characteristics of an organism, such as hair color.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup (e.g., TT, Tt, tt), while phenotype refers to the physical expression of that genotype.

Front

If a plant has the genotype Tt, what will its phenotype be?

Back

The phenotype will be tall, as 'T' is dominant over 't'.

Front

What does 'homozygous' mean?

Back

Homozygous refers to having two identical alleles for a trait, such as TT or tt.

Front

What is the expected phenotype ratio of offspring from a Tt x Tt cross?

Back

The expected phenotype ratio is 75% tall and 25% short.

Front

What are inherited traits?

Back

Inherited traits are characteristics passed from parents to offspring through genes.

Front

Which of the following is NOT an inherited trait: long hair, blue eyes, long eyelashes, or small dimples?

Back

Long hair is NOT an inherited trait; it can be influenced by environmental factors.

Front

What does the genotype 'ff' indicate?

Back

The genotype 'ff' indicates a homozygous recessive condition.