Punnett Square Playroom

Froggy Jumps

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Genetics grid challenges

ELSA JOY

Philippines

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Punnett Square Playroom


Froggy Jumps Punnett Square PlayroomVersion en ligne Genetics grid challenges par ELSA JOY 1 What does a Punnett square help predict in offspring? a Possible genotype combinations b Actual phenotype outcomes c Only dominant traits 2 In a monohybrid cross Aa x Aa, what are the possible genotypes? a AA and Aa only b AA, Aa, aa c Aa and aa only 3 If a plant with tall B_ (dominant) is crossed with a short bb, what is the genotype of all offspring? a Bb b bb c BB 4 What does a 3:1 phenotypic ratio typically indicate? a Homozygous cross b Incomplete dominance c Heterozygous x heterozygous cross 5 In a dihybrid cross AaBb x AaBb, which phenotype ratio is common? a 3:3:3:1 b 1:1:1:1 c 9:3:3:1 6 What is the genotype of a carrier for a recessive trait? a Aa b aa c AA 7 If trait A is dominant and trait a is recessive, what phenotype corresponds to aa? a Recessive trait only b Both traits expressed c Dominant trait only 8 Which letters denote the gametes in a heterozygous Aa parent for a single gene? a AA and aa b Aa and AA c A and a 9 What is a Punnett square mainly used for in genetics? a Predict genotype/phenotype probabilities b Measure gene expression c Identify mutations 10 In a cross A_ B_ x a_ b_, what is guaranteed in offspring? a All are recessive b All show mixed traits c All show dominant traits A and B