Two species of flowering plants live together and flower at the same time. They do not hybridize
because they each have a unique pollinating insect. This is an example of a
a. genetic bottleneck.
b. sympatric speciation.
c. hybrid zone.
d. postzygotic barrier.
e. prezygotic barrier.
E
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A mutation in a promoter region that causes the promoter sequence to more closely resemble the consensus sequence is called an up promoter mutation and results in a decrease in transcription
Indicate whether the statement is true or false
A plant cell contains _____ genomes and an animal cell contains ______ genomes.
A. 3,2 B. 3,3 C. 2,3 D. 2,2 E. 1,1
Photosynthesis takes place in
a. flowers only. b. leaves only. c. roots only. d. any green part of the plant
Process during which a single sperm penetrates the secondary oocyte, which will eventually result in the fusion of the egg and sperm nuclei and the development of a zygote. _____
A) Human chorionic gonadotropin
B) Zygote
C) Chorion
D) Morula
E) Folic acid
F) Fertilization
G) Blastocyst
H) Parturition
I) Cleavage
J) Ovulation
K) Placenta
L) Implantation