Scientists attempted for many years to conduct nuclear transplants but failed. However, geneticists had success in cloning a sheep. They were successful because they
A. utilized a new micro pipette technique.
B. replicated the blastomeres before insertion.
C. treated the nucleus with sheep plasma before nuclear insertion.
D. delayed transcription in the blastomeres.
E. picked a cell very early in development.
Answer: E
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In Anolis lizards, the male sex hormone ____ induces ____ behavior in males, which in turn stimulates females to produce hormones that cause ____
Fill in the blank with the appropriate word.
DNA repair in eukaryotes that facilitates replication in regions of thymine dimers is mediated by a unique DNA polymerase
A) ?. B) ?. C) ?. D) ?. E) ?.
Mitochondrial mutations in mammals are passed to the offspring by the ________ parent
Fill in the blank(s) with correct word
How do prokaryotic and eukaryotic chromosomes differ?
A) Eukaryotic chromosomes occur singly, and prokaryotic chromosomes occur as pairs. B) Genetic information is stored as DNA in eukaryotic cells and as proteins in prokaryotic cells. C) Prokaryotic chromosomes are not made from nucleotides. D) Prokaryotic chromosomes are not contained in a membrane-bound organelle.