Name ___KEY_________
Date ___________
Mrs. Geithner-Marron (Biology 200)
Period _________
Asexual Reproduction Quiz REVIEW

1.
Define/describe the following types of asexual reproduction:
o
binary fission
 DNA copied & organism divides in 2
 prokaryotes w/ NO nucleus (ex. bacteria)… chromosome copied, cell grows, divides in 2
 eukaryotes w/ nucleus (ex. protists)... mitosis must happen before cell division b/c
nucleus must be copied, not just DNA
 parent & offspring genetically the same & generally the same size
o
budding
 offspring begins to develop on the parent’s body & then breaks off
 ex. yeast, Hydra
 offspring smaller than parent, but still genetically identical
o
vegetative propagation
 budding… in plants
 ex. strawberries, potatoes
 What is a runner (creeper)?
 a horizontal stem that grows from the parent plant which forms roots and new plants;
once runner is rooted, it separates from original plant & grows independently
o
fragmentation
 fragment (piece) grows into new organism (by mitosis)
 ex. sponges, sea stars (1 leg  new organism)
o
regeneration
 regrowth of missing body parts (by mitosis)
 ex. Planaria, sea stars (leg cut off  grows new leg), salamander
o
spores
 contain DNA, cytoplasm & tough outer wall (coat)...grow into multicellular organisms w/o
fertilization
 ex. mushrooms, mold, mosses, ferns
 coat protects spore until conditions are favorable & keeps spore from drying out (adaptation
for life on land)
o
parthenogenesis
 unfertilized egg develops into adult (drone)
 ex. Daphnia, aphids, honey bees
How is binary fission in Protists such as the Amoeba and Paramecium (which are eukaryotic) different from binary
fission in bacteria (which are prokaryotic)? Why is it different?

Binary fission in Protists is different from bacteria b/c in Protists it involves mitosis and then cell
division b/c Protists have nucleus (are eukaryotic) & bacteria don’t have a nucleus (prokaryotic).
2. In asexual reproduction, how do the offspring compare to the parent genetically?

The parent & offspring are genetically identical (as well as the offspring genetically identical to each
other).