Monohybrid Cross Practice

Front

What is a monohybrid cross?

Back

A monohybrid cross is a genetic cross between parents that differ in a single trait, focusing on the inheritance of one gene.

Front

What does a Punnett square represent?

Back

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

Front

What is the phenotypic ratio in a monohybrid cross with one dominant and one recessive trait?

Back

The phenotypic ratio is typically 3:1, where 3 offspring display the dominant trait and 1 displays the recessive trait.

Front

What is the genotypic ratio in a monohybrid cross?

Back

The genotypic ratio is usually 1:2:1, representing the homozygous dominant, heterozygous, and homozygous recessive genotypes.

Front

Define dominant trait.

Back

A dominant trait is a genetic trait that is expressed in the phenotype even when only one copy of the allele is present.

Front

Define recessive trait.

Back

A recessive trait is a genetic trait that is only expressed in the phenotype when two copies of the allele are present.

Front

What does 'T' represent in genetics?

Back

In genetics, 'T' typically represents the dominant allele for tallness in plants.

Front

What does 't' represent in genetics?

Back

In genetics, 't' typically represents the recessive allele for shortness in plants.

Front

How do you calculate the probability of an offspring's genotype using a Punnett square?

Back

Each box in a Punnett square represents a 25% probability for each genotype, assuming a monohybrid cross.

Front

What is the purpose of using a Punnett square?

Back

The purpose of using a Punnett square is to visualize and predict the genetic outcomes of a cross between two organisms.