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Name: __________________________
Hour: ______ Date: ______________
Cell Processes, Reproduction & Heredity
Study Guide
Directions: Fill in the blank with the best answer:
1) An organism that makes its own food is an ____autotroph______________________. (2-1)
2) During _________respiration______________, most energy is released in the mitochondria. (2-2)
3) An energy-releasing process that does not require oxygen is _______fermentation_________. (2-2)
4) Uncontrolled cell division is a characteristic of ________cancer__________________. (2-4)
5) In ______codominance__________________, neither of the alleles is dominant or recessive. (3-2)
6) An organism’s physical appearance is its _______phenotype___________________.(3-2)
7) The scientific study of heredity is called______genetics____________________. (repro. pkt)
8) If the body cells of an organism have 34 chromosomes, then the sex cells would have been
___________17_______________ chromosomes. (repro. pkt)
Directions: Answer the following questions using the Punnett Squares provided. (3-2)
Square A
B
b
B
b
Bb
Bb
Bb
bb
B = black fur
b = white fur
b
b
Square B
_B__
b
___
bb
Bb
9) In the cross between two black guinea pigs shown in
Punnett Square A, what is the probability that an
offspring will be black? __75__% White? __25___%
10) Is it possible that the cross between two black
Bb
bb
guinea pigs in Punnett Square A would not produce
a white guinea pig? __Yes______ Explain._If one
black guinea pig was homozygous for black.
___
11) What color are
__ the guinea pig parents in the cross shown in Punnett Square B? _White &
Black_______
12) Which guinea pig parent(s) in Punnett Square B is homozygous? _____bb__WHit______
13) Which is heterozygous? ___Bb___Black____________
14) Calculate the probability that an offspring will be black in the cross in Punnett Square B.
What is the probability that an offspring will be white?
_____50%_______________________
Directions: Answer the following questions using complete sentences.
15) How can cancer spread from a tumor to other parts of the body? (2-4) Cells from the tumor break
off and enter the blood stream, spreading the cancer to other areas of the body _______________
______________________________________________________________________________
Name: __________________________
Hour: ______ Date: ______________
16) What is asexual reproduction? (rep. pkt) Reproduction that occurs without sex cells – only 1 parent _
______________________________________________________________________________
17) Name the 3 types of asexual reproduction & give an example of an organism that completes each.
(rep. pkt)
a. _____Binary Fission____________________ example organism: Amoeba _________
b. ______Spores___________________ example organism:
Mushrooms ___________
c. _______Budding__________________ example organism:
Hydra or Coral ________
18) During which type of reproduction (sexual or asexual) would the off-spring look more like the
parent organism? (rep. pkt)_______asexual__________________________ Explain why. _________
The offspring only gets genetic information from one parent causing it to have the same genetic
information as its parent. __________________________________________________________
19) Complete the chart below. (2-1 & 2-2)
Sugar, CO2
Sugar, Co2
O2, H2O,
Energy
NO
20) In pea plants, the allele for yellow pods (Y) is dominant over the allele for green pods (y).
Construct a Punnett square that shows a cross between an YY plant and an Yy plant.
Predict what percent of the offspring are likely to have yellow pods. (3-2)
Y
Y
y
Y
YY
YY
Yy
Yy
100% Chance Offspring will be Yellow