1) The phenotypes in this example are __________. a) green eyes b) blue eyes c) brown eyes 2) The genotypes in this example are ______. a) BB b) Bb c) bb 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

Punnett Square Quiz

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