Based on the fossil record, which of these groups appeared first?
a. chimpanzees
b. humans
c. new world monkeys
d. gorillas
e. old world monkeys
C
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Match each stage with the events listed
a. sister chromatids move apart b. chromosomes start to condense c. new nuclei form d. all duplicated chromosomes are aligned at the spindle equator________ metaphase________ prophase________ telophase________ anaphase
If a Drosophila female has a homozygous mutation for a maternal effect gene, _____
A) she will not develop past the early embryonic stage B) all of her offspring will show the mutant phenotype, regardless of their genotype C) only her male offspring will show the mutant phenotype D) only her female offspring will show the mutant phenotype
The eukaryotic cell cycle consists of two phases, interphase and mitotic cell division. What are the substages that take place within each of these two phases?
What will be an ideal response?
How many principles are there in Koch's postulates of disease?
A) 1 B) 2 C) 3 D) 4 E) 5