In birds and butterflies ____ for sex chromosome inheritance
a. males are XY and females are XX
b. males are ZZ and females are ZW
c. males are ZY and females are XW
d. males are XX and females are XY
e. males are ZW and females are ZZ
B
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Inbreeding increases the likelyhood that an individual will become homozygous for any given gene. Inbreeding may have negative consequences with regard to recessive alleles. The diagram above shows inbreeding between _________ which could lower the fitness of the homozygote. This lowering of fitness because of inbreeding is called __________.
A. siblings; inbreeding depression.
B. cousins; inbreeding depression.
C. siblings; puma concolor cory.
D. cousins; genetic drift.
E. siblings; sexual selection.
Based on the same graph, substances B and C
A) show saturation kinetics.
B) are transported by a transporter protein.
C) do not move by simple diffusion.
D) choices A and B only
E) all of the above
About 2/3 of a shark's brain is used for:
a. control of body movement. b. processing electrical currents from the water. c. olfaction. d. vision. e. processing water pressure differences.
Except for ________, our cells cannot make vitamins. We must get them from our diet
Fill in the blank(s) with correct word