1) The phenotypes in this example are __________. a) Bb b) blue eyes c) brown eyes d) bb 2) The genotypes in this example are ______. a) Blue eyes b) Bb c) bb d) Brown eyes 3) The heterozygous genotype for brown eyes is ________. a) Bb b) bb c) BB 4) Homozygous recessive genotype for blue eyes is _______. a) Bb b) bb c) BB 5) What is the predicted outcome for blue eyed offspring? a) 25% or 1 out of 4 b) 50% or 2 out of 4 c) 75% or 3 out of 4 d) 100% or 4 out of 4 6) What is the predicted outcome for brown eyed offspring? a) 25% or 1 out of 4 b) 50% or 2 out of 4 c) 75% or 3 out of 4 d) 100% or 4 out of 4 7) Purple flowers are _______________. a) dominant b) recessive 8) White flowers are _______________. a) dominant b) recessive 9) What are the dominant genotypes? a) BB b) Bb c) bb 10) What is the recessive genotype? a) BB b) Bb c) bb 11) Which genotype do the parents have? a) BB b) Bb c) bb 12) With this cross of parents, what is the outcome for purple flowers? a) 25% or 1 out of 4 b) 50% or 2 out of 4 c) 75% or 3 out of 4 d) 100% or 4 out of 4 13) With this cross of parents, what is the outcome for white flowers? a) 25% or 1 out of 4 b) 50% or 2 out of 4 c) 75% or 3 out of 4 d) 100% or 4 out of 4 14) How would two purple flowered parents produce a white flower offspring? a) they both carry the white recessive gene b) they both carry the purple recessive gene c) it was an mistake d) an offspring needs both recessive traits to show the white flowers 15) What do we call this diagram? a) multiplication table b) Punnett Square c) Pi d) Bar graph 16) Select the genotypes that are heterozygous a) RR b) Tt c) Pp d) ff e) Ll f) aa 17) Select the genotypes that are homozygous dominant a) Rr b) BB c) ee d) KK e) Ll f) Yy 18) For blood type, the A gene is dominant over the O gene. Which genotypes would result in a type A blood phenotype? a) OO b) AO c) AA 19) In pea plants, the tall allele (T) is dominant over the short allele (t). A pea plant is short. What is its genotype? a) TT b) tt c) Tt 20) In pea plants, the purple flower allele is dominant over the white allele. A farmer crossed a purple flowered plant with a white flowered plant. 18 of the offspring have purple flowers and 19 have white flowers. What are the genotypes of the parents? a) PP and Pp b) PP and pp c) Pp and pp d) pp and pp

Monohybrid Punnett Square Quiz

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