What type of inheritance pattern is exhibited by the trait being analyzed in this pedigree?
a. autosomal dominant
b. autosomal recessive
c. X-linked recessive
c
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Prokaryotic cells and eukaryotic cells reproduce by cell division. Regardless of the type of cell, all cells must __________________ before they divide
A. make an exact copy of their genetic information B. separate sister chromatids from one another C. complete mitosis D. reconstruct their nucleus
Phototropins repress transcription of a gene that causes auxin efflux carriers to be distributed evenly around the cell. What happens next, when phototropins are released as a response to a plant cell being exposed to a directional light source?
a. Auxin efflux carriers become positioned on the sunny side of the plant. b. Auxin efflux carriers become positioned on the shady side of the plant. c. Auxin buildup occurs within the cells, but in no set pattern. d. Auxin efflux carriers become positioned on the shady side of the plant and the plant bends towards the light. e. Auxin efflux carriers become positioned on the sunny side of the plant and the plant bends towards the shade.
Two identical ___________ cells are formed. Each cell has received a complete set of chromsomes. The DNA in each chromosome unwinds into a long thin thread so that genes can become active and give the instructions for making proteins.
Fill in the blank(s) with the appropriate word(s).
Drinking water is disinfected by ALL of the following methods prior to release EXCEPT
a. addition of sodium hypochlorite. b. UV radiation. c. addition of hydrogen peroxide. d. addition of chlorine gas.