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Genetics Practice Problems, Exercises of Genetics

University of California - Berkeley Genetics

Genetics Worksheet. 1. Genetics Practice Problems - Simple Worksheet. 1. For each genotype below, indicate whether it is heterozygous (He) or.

Typology: Exercises

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Bio 10 – Dr. Cunningham Name: ________________________

Genetics Worksheet

Genetics Practice Problems - Simple Worksheet

1. For each genotype below, indicate whether it is heterozygous (He) or

homozygous (Ho)

AA _____

Ee ____

Ii _____

Mm _____

Bb _____

ff ____

Jj _____

nn _____

Cc _____

Gg ____

kk _____

oo _____

DD _____

HH ____

LL _____

Pp _____

2. For each of the genotypes below determine what

phenotypes would be possible.

Purple flowers are dominant to

white flowers.

PP___________________

Pp___________________

pp___________________

Brown eyes are dominant to

blue eyes

BB_________________

Bb________________

bb________________

Bobtails in cats are recessive.

TT _________________

Tt _________________

tt________________

Round seeds are dominant to

wrinkled seeds

RR__________________

Rr__________________

rr __________________

Discover Exercises of Genetics University of California - Berkeley

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Genetics Worksheet

Genetics Practice Problems - Simple Worksheet

1. For each genotype below, indicate whether it is heterozygous (He) or

homozygous (Ho)

AA ___ Ee Ii _ Mm ___

Bb ___ ff Jj _ nn ___

Cc ___ Gg kk _ oo ___

DD ___ HH LL _ Pp ___

For each of the g e n o t y p e s below determine what phenotypes would be possible. Purple flowers are dominant to white flowers. PP___________________ Pp___________________ pp___________________ Brown eyes are dominant to blue eyes BB_________________ Bb________________ bb________________ Bobtails in cats are recessive. TT _________________ Tt _________________ tt________________ Round seeds are dominant to wrinkled seeds RR__________________ Rr__________________ rr __________________

Genetics Worksheet

For each phenotype below, list the genotypes (remember to use the letter of the dominant trait)

Straight hair is dominant to

curly.

Pointed heads are dominant to

round heads.

_ straight ___ pointed

curly _ round

4. Set up the Punnet squares for each of the crosses listed

below.

Round seeds are dominant to wrinkled seeds.

RR x rr What percentage of the offspring will be round?

Rr x rr What percent of the offspring will be round?

Genetics Worksheet

A homozygous round seeded plant is crossed with a homozygous wrinkled seeded plant. What are the genotypes of the parents? __________ x __________ What percentage of the offspring will also be homozygous? ___________
In pea plants purple flowers are dominant to white flowers. If two white flowered plants are cross, what percentage of their offspring will be white flowered? ______________
A white flowered plant is crossed with a plant that is heterozygous for the trait. What percentage of the offspring will have purple flowers?___________
Two plants, both heterozygous for the gene that controls flower color are crossed. What percentage of their offspring will have purple flowers?
What percentage will have white flowers?

Genetics Practice Problems, Exercises of Genetics

Related documents

Partial preview of the text

Download Genetics Practice Problems and more Exercises Genetics in PDF only on Docsity!

Genetics Practice Problems - Simple Worksheet

1. For each genotype below, indicate whether it is heterozygous (He) or

homozygous (Ho)

AA ___ Ee Ii _ Mm ___

Bb ___ ff Jj _ nn ___

Cc ___ Gg kk _ oo ___

DD ___ HH LL _ Pp ___

Straight hair is dominant to

curly.

Pointed heads are dominant to

round heads.

_ straight ___ pointed

curly _ round

4. Set up the Punnet squares for each of the crosses listed

below.

Round seeds are dominant to wrinkled seeds.

12. In guinea pigs, the allele for short hair is dominant.

What genotype would a heterozygous short haired

guinea pig have? _______

What genotype would a purebreeding short haired

guinea pig have? _______

What genotype would a long haired guinea pig

have? ________

13. Show the cross for a pure breeding short haired guinea

pig and a long haired guinea pig.

What percentage of the offspring will have short hair?

__________

14. Show the cross for two heterozygous guinea pigs.

What percentage of the offspring will

have short hair? ________

What percentage of the offspring will have

long hair? _______

Genetics Practice Problems, Exercises of Genetics

Related documents

Partial preview of the text

Download Genetics Practice Problems and more Exercises Genetics in PDF only on Docsity!

Genetics Practice Problems - Simple Worksheet

1. For each genotype below, indicate whether it is heterozygous (He) or

homozygous (Ho)

AA _____ Ee ____ Ii _____ Mm _____

Bb _____ ff ____ Jj _____ nn _____

Cc _____ Gg ____ kk _____ oo _____

DD _____ HH ____ LL _____ Pp _____

Straight hair is dominant to

curly.

Pointed heads are dominant to

round heads.

___ straight _____ pointed

____ curly _____ round

4. Set up the Punnet squares for each of the crosses listed

below.

Round seeds are dominant to wrinkled seeds.

12. In guinea pigs, the allele for short hair is dominant.

What genotype would a heterozygous short haired

guinea pig have? _______

What genotype would a purebreeding short haired

guinea pig have? _______

What genotype would a long haired guinea pig

have? ________

13. Show the cross for a pure breeding short haired guinea

pig and a long haired guinea pig.

What percentage of the offspring will have short hair?

__________

14. Show the cross for two heterozygous guinea pigs.

What percentage of the offspring will

have short hair? ________

What percentage of the offspring will have

long hair? _______

AA ___ Ee Ii _ Mm ___

Bb ___ ff Jj _ nn ___

Cc ___ Gg kk _ oo ___

DD ___ HH LL _ Pp ___

_ straight ___ pointed

curly _ round