Different versions of a gene are called:
a. Nucleotides
b. Alleles
c. Polygenic
d. Chromosomes
Question 2
The lipids that compose the cell membrane are arranged with heads and tails such that:
A) The heads are in contact with extracellular and intracellular fluid and the tails oriented away from these fluids
B) The tails are in contact with extracellular and intracellular fluid and the heads oriented away from these fluids
C) Half of all heads and tails are in contact with extracellular fluid
D) Both heads and tails are in contact with intracellular fluid
An example of horizontal gene transfer: antibiotic resistance
Gene duplication increases genetic complexity
Gene Cloning
Visualization of gap gene expression in a Drosophila embryo
Alternative pre- mRNA processing of the rat-tropomyosin gene
Polygenic inheritance of wheat kernel color controlled by two additive genes