Part of a chromosome breaks away and attaches to a nonhomologous chromosome
a. Crossing-over
b. Inversion
c. Translocation
d. Nondisjunction
e. Deletion
Ans: c. Translocation
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Which of the following is the process of moving photosynthates in the phloem from productive areas like the leaves to storage in the roots?
a. transpiration b. evocation c. translocation d. teleportation
Identify the structure of the neuron marked D
a. axon terminal b. cell body c. axon d. glial cell e. dendrites
Thymine and cytosine differ from adenine and guanine in that ________
A) thymine and cytosine are single-ring structures, whereas adenine and guanine are double-ring structures B) thymine and cytosine are only found in DNA, whereas adenine and guanine are found in both DNA and RNA C) thymine and cytosine are only found in DNA, whereas adenine and guanine are only found in RNA D) thymine and cytosine are larger nitrogenous bases
The consensus coding sequence of homeotic genes is called a _______
A. TATA box B. Pribnow box C. homeobox D. parasegment