For questions 20-21, Consider the autosomal recessive pedigree to the right. ⦁ What is the genotype of the first individual in generation II? A. RR B. Rr C. rr D. R?

Explain the significance of the increased cell specialization of the volvocine line

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.

What does spontaneous generation mean?