The ultimate source of new alleles and genetic variability is ____________________. Fill in the blank(s) with the appropriate word(s)
ANS: mutation
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Which groups of commercially grown plants are produced by tissue culture propagation?
a. Pine trees b. Orchid c. Grape vines d. Grasses e. Rose bushes
You are interested in designing a molecular probe to detect the region of ?S SNP, which includes a DdeI (CTNAG) restriction site. Which of the following molecular probe sequences would anneal to the correct position?
A) ACTCCTGAGGAGAAG B) TGAGGACTCCTCTTC C) GTGCACCTGACTCCT D) CACGTGGACTGAGGA E) CACGUGGACUGAGGA
During PCR, heating of DNA is required to
A) promote attachment of nucleotides to the template. B) allow DNA ligases to bind fragments together. C) unwind double-stranded DNA. D) attach the primer to the template DNA. E) attach a stop codon.
Which of the following is NOT a characteristic of plant cells?
A. Plasmodesmata are present. B. Plastids are present. C. Centrioles are present during mitosis. D. Cell wall is present.