Bio: Unit 9 Flashcard

Front

What does each box in a Punnett square represent?

Back

A possible genotype of the offspring.

Front

How many total chromosomes are present in a human karyotype?

Back

46.

Front

What is the expected phenotypic ratio in the offspring of a monohybrid cross between two heterozygous individuals?

Back

3:1.

Front

What is a karyotype?

Back

A chart of chromosome pairs arranged by size and shape.

Front

What does a karyotype reveal about an individual?

Back

It reveals the number and structure of chromosomes.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What is Mendelian genetics?

Back

A set of principles related to the inheritance of traits established by Gregor Mendel.

Front

What is a monohybrid cross?

Back

A genetic cross between individuals that differ in one trait.

Front

What is the significance of the 3:1 ratio in Mendelian genetics?

Back

It indicates the expected ratio of dominant to recessive phenotypes in the offspring.

Front

What is the role of gametes in inheritance?

Back

Gametes carry genetic information from parents to offspring.