Bio FLASHCARD 3 Practice: CH15 Pedigrees, Karyotypes, H. Genome

Front

What is a Karyotype?

Back

A photograph of all of the chromosomes arranged in pairs.

Front

What does a pedigree represent?

Back

A diagram that shows the genetic relationships among a group of individuals.

Front

What shape represents a male in a pedigree?

Back

Square.

Front

What shape represents a female in a pedigree?

Back

Circle.

Front

What is Trisomy 21 commonly known as?

Back

Down syndrome.

Front

How can you identify a normal male in a karyotype?

Back

By the presence of one X and one Y chromosome.

Front

How can you identify a female with Down syndrome in a karyotype?

Back

By the presence of three copies of chromosome 21.

Front

What is the purpose of a Punnett Square?

Back

To predict the genotypes of offspring from a genetic cross.

Front

What is a common use of Venn Diagrams in genetics?

Back

To compare and contrast different genetic traits.

Front

What does it mean if an individual is homozygous for a trait?

Back

They have two identical alleles for that trait.