monohybrid cross

Front

How many alleles (letters) do each person carry for a trait?

Back

2

Front

In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?

Back

Gg

Front

Which of the following genotypes is homozygous dominant? (AA, Aa, aa)

Back

AA

Front

In cacti, long arms (A) are dominant to short arms (a). If 2 heterozygous cacti are crossed, what percentage of their offspring are expected to have short arms?

Back

25%

Front

In genetics, what does the term 'dominant' mean?

Back

A dominant allele is one that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive trait?

Back

A recessive trait is one that is only expressed when two recessive alleles are present.

Front

Define genotype.

Back

Genotype refers to the genetic makeup of an organism, specifically the alleles it carries.

Front

Define phenotype.

Back

Phenotype refers to the observable characteristics or traits of an organism.

Front

What is a monohybrid cross?

Back

A monohybrid cross is a genetic cross between individuals that involves one pair of contrasting traits.

Front

What is the expected phenotypic ratio of a monohybrid cross between two heterozygous parents?

Back

3:1 (dominant:recessive) ratio.