Front

What is a karyotype?

Back

A karyotype is a picture of all the chromosomes in a cell, used to examine chromosomal abnormalities.

Front

What is heredity?

Back

Heredity is the passing of traits from parent to offspring.

Front

What is the probability of a blue-eyed baby from two brown-eyed parents (Bb)?

Back

The chance of the baby being blue-eyed is 25%.

Front

In a pedigree chart, what shape represents a male?

Back

A square represents a male in a pedigree chart.

Front

What is Duchenne muscular dystrophy?

Back

Duchenne muscular dystrophy is a recessive X-linked disorder.

Front

What percentage of offspring will have Duchenne muscular dystrophy if one parent is a carrier?

Back

25% of the offspring will have the disorder.

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed when at least one dominant allele is present, while recessive traits are expressed only when two recessive alleles are present.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genetic outcomes of a cross between two organisms.

Front

Define genotype.

Back

Genotype is the genetic makeup of an organism, represented by alleles.

Front

Define phenotype.

Back

Phenotype is the observable physical or biochemical characteristics of an organism.