During which of the following stages do cells of
identical genetic makeup become structurally and
functionally different from one another?
a. cleavage
b. differentiation
c. morphogenesis
d. metamorphosis
e. gastrulation
Answer: b
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In birds, if the offspring require extensive care, usually involving both the male and female, they are called
A. semelparous species. B. altricial species. C. precocial species. D. iteroparous species. E. sympatric species.
The fluid portion of blood is known as blood ________; this portion constitutes approximately ________ % of the total blood volume
Fill in the blank(s) with correct word
Restriction enzymes are used to cut DNA at specific locations which will result in a
What will be an ideal response?
Gene therapy for human genetic diseases has not been successful yet.
Answer the following statement true (T) or false (F)