Identify the types of genetic recombination. occurs in metaphase I.
v occurs during sexual reproduction.
vis random chromosome alignment resulting in variation.
occurs in prophase I.
✓ fuses gametes to form offspring with genes from each parent.
exchanges genetic information between non-sister chromatids.
DONE

How had the study of mitosis affected scientists knowledge of cancer

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

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.