What two structures result from double fertilization?
a. Eggs and sperm
b. Zygote and flower
c. Flower and egg
d. Endosperm and zygote
e. Eggs and endosperm
d
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Sequence assembly is accomplished by:
A. aligning the fragments in the laboratory by running them through gel electrophoresis. B. aligning the fragments on paper. C. aligning the fragments by using a complex computer program. D. aligning the fragments by joining histones. E. None of the answer options is correct.
Suppose that you have discovered a new mutant in Drosophila melanogaster. What kinds of genetic crosses should you do to determine if the allele causing the mutation is inherited as an autosomal dominant trait, an autosomal recessive trait, or a sex-linked trait?
What will be an ideal response?
What term describes the process of an unfertilized egg developing into a normal offspring?
a. parthenogenesis b. sexual reproduction c. budding d. fragmentation
Which of the following is NOT a structural
component of any virus?
a. double stranded RNA b. single stranded DNA c. cell membranes d. ribosomes e. all of these ARE structural components of viruses