Punnett Squares & Genetics

Front

The combination of genes a person has, represented by letters, is their...

Back

Genotype

Front

The physical (observable) traits a person has is their...

Back

Phenotype

Front

Where are the genotypes of the parents located in a Punnett Square?

Back

On the top and side

Front

Where do we put the genotypes of the offspring in a Punnett Square?

Back

Inside the boxes

Front

Genotype Yy: Which trait is observed? (Y=Yellow, y=blue)

Back

Yellow, since it is the dominant trait

Front

What belongs in the last box? Options:

RR

,

Rr

,

rr

,

ff

Back

rr

Front

What is the genotype of the missing parent? Options: BB, Bb, bb

Back

Bb

Front

If B=Hair, b=bald... what is the percent chance of the offspring being bald?

Back

25%

Front

Completing a Punnett Square:

1. Draw the Punnett Square.

2. Write in the genotypes of the ______ on the top and side.

3. Do the cross!

Back

parents, parent

Front

What is a segment of DNA that determines a trait?

Back

Gene