Comprehensive biology
in an experiment with pea plants, two purple flowered pea plants that are heterozygous for
the alleles for flower color are crossed. the results are offspring with purple flowers: 25;
offspring with white flowers: 15. a 3: 1 ratio of purple to white flowered pea plants was
predicted. how would you interpret your results?

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.