TOPIC 11 DAY 1 PATTERNS OF INHERITANCE #1

Front

What is a monohybrid cross?

Back

A genetic cross between two individuals that differ in one trait, where both parents are heterozygous for that trait.

Front

What does homozygous mean?

Back

An organism with two identical alleles for a specific trait (e.g., AA or aa).

Front

What does heterozygous mean?

Back

An organism with two different alleles for a specific trait (e.g., Aa).

Front

What is the phenotype of an organism?

Back

The observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is a Punnett square?

Back

A diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed in the phenotype even if only one allele is present, while recessive traits are expressed only when two recessive alleles are present.

Front

What is codominance?

Back

A genetic scenario where both alleles in a heterozygous organism contribute to the phenotype, resulting in a mix of both traits.

Front

What is the expected phenotype ratio from a cross between two heterozygous parents (Aa x Aa)?

Back

The expected phenotype ratio is 3:1, with 3 showing the dominant trait and 1 showing the recessive trait.

Front

What is the genotype of a plant with pink flowers if pink is recessive?

Back

The genotype would be 'ff'.

Front

What percentage of offspring will show the recessive phenotype if one parent is homozygous dominant (AA) and the other is homozygous recessive (aa)?

Back

0% of the offspring will show the recessive phenotype.