For a species with four pairs of chromosomes, ________ chromosome combinations are possible
A) 4
B) 8
C) 16
D) 20
C
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Thalassemias are associated with a(n) ____
a. amino acid substitution b. extended chain in beta globin c. imbalance in the production of alpha or beta globin d. excessive synthesis of beta globin e. altered rate of oxygen transport
People with Klinefelter syndrome have ________ chromosome constitution.
A) XXY B) XY C) YO D) XXX
Which group of adult tissues is derived from mesoderm?
a. lining of digestive tract, liver, pancreas b. muscles, bones, cartilage c. skin, brain, retina d. skin, liver, pancreas e. lining of respiratory tract, thyroid gland, urinary bladder
The wings of a bird and the wings of a butterfly are ____ and show morphological ____
a. homologous; convergence b. analogous; convergence c. homologous; divergence d. analogous; divergence e. similar; evolution