A homologous chromosome pair is best described as two chromosomes that have _______
A. the same genes in the same order but
possibly with different alleles of some of the
genes
B. the same alleles of the same genes in the
same order
C. the same genes possibly arranged in a
different order with potentially different alleles
of some of the genes
D. different alleles of the same genes
arranged in a different order
E. identical sequences of nucleotides
A
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You discover a new species of protist. Which of the following characteristics would provide the strongest evidence for your hypothesis that your species belongs in Euglenida?
A) It is photosynthetic. B) It contains the carbohydrate paramylon. C) It reproduces asexually. D) It is unicellular. E) It lacks a cell wall.
Which term did Mendel use when referring to traits that disappeared in the F 1 generation?
a. recessive b. discontinuous c. reciprocal d. continuous
The adjustable ring of circular and radial muscles that controls the amount of light entering the eye is
the a. lens. b. cornea. c. pupil. d. iris. e. retina.
Heterozygous carriers of chromosome inversions or translocations __________
A) will be viable and completely fertile because no genes were deleted B) may or may not exhibit phenotypic abnormalities C) may be infertile due to complications during meiosis D) Both A and B are correct E) Both B and C are correct