In plants, a zygote develops into a ________
a. gametophyte
b. sporophyte
c. spore
d. gamete
b
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A genetic mistake takes place during replication and the new DNA strand has the sequence ATG. What is the three-base sequence on an RNA strand transcribed from this series of nucleotides?
What will be an ideal response?
Many genes are expressed when embryonic stem cells differentiate into muscle. This population of RNAs present in these cells would be called the ______________
Fill in the blanks with correct word
What technique would you use to detect a target sequence in an intact chromosome using a labeled molecular probe?
A) PCR B) in situ hybridization C) western blotting D) Sanger sequencing E) karyotyping
All of the following conditions are necessary for an instrumental variable Z to be a valid instrument for X in the regression: Yi = ?0 + ?1Xi + Ui except for which condition?
A. Cov(Xi, Zi) ? 0 B. Cov(Xi, Yi) ? 0 C. Cov(Zi, Ui) = 0 D. None of these choices are correct.