What cross will result in half homozygous dominant offspring and half heterozygous offspring? What cross will result in all heterozygous offspring?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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What cross will result in half homozygous dominant offspring and half heterozygous offspring?

What cross will result in all heterozygous offspring? 

 
Punnet Square Worksheet
Fill in the Punnett squares for each cross given to determine the phenotype and genotype ratio's of the offspring
Crosses with one homozygous dominant parent:
AA X AA
AA x Aa
A
A
A
A
Offspring Genotypes:
AA___ Aa_ aa
Offspring Phenotypes:
Dominant
Recessive
A
A
Crosses with one heterozygous parent:
Aa x AA
Aa x Aa
A
Offspring Genotypes:
AA
Aa
Offspring Phenotypes:
Dominant
Recessive
A
aa
a
A
Offspring Genotypes:
AA
Offspring Phenotypes:
Dominant
Recessive
Aa
Name
а
aa
a
A
a
AA
Dominant
Recessive
A
a
AA
Crosses with one homozygous recessive parent:
aa x AA
aa x Aa
A
A
Aa
a
Dominant
Recessive
AA
A
Aa
a
Aa
Dominant
Recessive
AA x aa
aa
Aa x aa
aa
aa x aa
aa
A
a
a
AA
AA
a
a
Dominant
Recessive
AA
a
a
Dominant
Recessive
a
Aa
a
A
Aa
A
Dominant
Recessive
Aa
a
aa
aa
aa
Hour
A
a
a
Transcribed Image Text:Punnet Square Worksheet Fill in the Punnett squares for each cross given to determine the phenotype and genotype ratio's of the offspring Crosses with one homozygous dominant parent: AA X AA AA x Aa A A A A Offspring Genotypes: AA___ Aa_ aa Offspring Phenotypes: Dominant Recessive A A Crosses with one heterozygous parent: Aa x AA Aa x Aa A Offspring Genotypes: AA Aa Offspring Phenotypes: Dominant Recessive A aa a A Offspring Genotypes: AA Offspring Phenotypes: Dominant Recessive Aa Name а aa a A a AA Dominant Recessive A a AA Crosses with one homozygous recessive parent: aa x AA aa x Aa A A Aa a Dominant Recessive AA A Aa a Aa Dominant Recessive AA x aa aa Aa x aa aa aa x aa aa A a a AA AA a a Dominant Recessive AA a a Dominant Recessive a Aa a A Aa A Dominant Recessive Aa a aa aa aa Hour A a a
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