The probability that two genes will be separated by crossing-over is related to:
a. the phenotype that they control.
b. how far the two genes are from the centromere.
c. the distance between the two genes on the chromosome.
d. whether the two genes are located on a sex chromosome.
e. how far the genes are from the kinetochore
C
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The federal government, as well as several state governments, collects DNA samples from all individuals arrested – but not necessarily convicted – for serious crimes. Should this be allowed? Why or why not?
What will be an ideal response?
When air entering the respiratory tract leaves the pharynx, it next enters the
A) bronchioles. B) larynx. C) alveoli. D) bronchi. E) sinuses.
Kinase enzymes
A) add phosphate groups. B) always inhibit target molecule activity. C) bind tightly by wrapping around a target molecule to regulate its activity. D) remove phosphate groups. E) metabolize glucose.
Bivalves are filter-feeders that draw a current of water in through a tube called the ________, across their gills, where tiny food particles are captured.
a. cephalopod b. excurrent siphon c. incurrent siphon d. gill tube e. cnidocyst