The fact that plants can be cloned from somatic cells demonstrates that _____
A) differentiated cells retain all the genes of the zygote
B) genes are lost during differentiation
C) the differentiated state is normally very unstable
D) differentiation does not occur in plants
A
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What is it called when a demand for a new lifestyle leads to many speciation events from one founder species?
a. sympatric speciation b. allopatric speciation c. adaptive radiation d. convergent radiation
The teeth designated by the letter "D" in the above figure are called ____
a. canines b. premolars c. incisors d. molars e. wisdom teeth
Explain the reasoning behind the laws in some European countries that limit the number of children that can result
from a single sperm donor. Do you agree with these restrictions? Why or why not? What will be an ideal response?
An element with more or fewer neutrons than the same element as it appears on the periodic table is known as which of the following?
A) ion B) buffer C) isotope D) isomer