PUNNETT SQUARE PRACTICE

#1

YELLOW SEEDS ARE DOMINANT TO GREEN SEEDS IN PEAS. SHOW A CROSS BETWEEN A HOMOZYGOUS YELLOW SEED WITH A GREEN SEED. IDENTIFY THE GENOTYPE AND PHENOTYPES. (USE S)

#2

ONE PEA PLANT IS HOMOZYGOUS RECESSIVE FOR WHITE FLOWERS AND IT IS CROSSED WITH A PLANT THAT IS HETEROZYGOUS RED. WHAT ARE THE CHANCES THAT THE OFFSPRING WILL HAVE WHITE FLOWERS? (USE F)

#3

IN GARDEN PEA PLANTS TALL IS DOMINANT OVER DWARF SIZE. ONE HOMOZYGOUS DOMINANT TALL PLANT IS CROSSED WITH A DWARF, WHAT WILL BE THE PHENOTYPE OF THE OFFSPRING?

#4

IN A PEA PLANT ROUND SEEDS ARE DOMINANT OVER WRINKLED. A PLANT IS HOMOZYGOUS DOMINANT FOR ROUND SEEDS AND IS CROSSED WITH A HETEROZYGOUS PLANT. WHAT ARE THE CHANCES THAT THE OFFSPRING WILL HAVE WRINKLED SEEDS?

#5

PATTY IS HOMOZYGOUS DOMINANT FOR FRECKLES, WHILE CHARLIE HAS NO FRECKLES. WHAT IS THE PROBABILITY THEIR CHILDREN WILL HAVE FRECKLES? (USE F)

#6

IN CHIMPANZEES, STRAIGHT FINGERS ARE DOMINANT TO BENT FINGERS. SHOW THE GENOTYPES AND PHENOTYPES EXPECTED FOR A HETEROZYGOUS MALE AND A FEMALE WITH BENT FINGERS. (USE F)

#7

IN HUMANS, THE ABILITY TO ROLL A TONGUE IS COMPLETELY DOMINANT OVER NOT BEING ABLE TO ROLL THE TONGUE. A PUREBRED RECESSIVE FEMALE CROSSES WITH A PUREBRED DOMINANT MALE. DETERMINE THE GENOTYPES AND PHENOTYPES. (USE T)