How do the two members of a pair of homologous chromosomes differ from each other?
A) their length
B) the identity and relative position of the genes present on each of the chromosomes
C) their staining patterns
D) the position of the centromere within each of the chromosomes
E) the precise sequence of the DNA within each of the chromosomes
Ans: E) the precise sequence of the DNA within each of the chromosomes
You might also like to view...
Two genes (A and B) are located on each of two pairs of homologous chromosomes. In a tetrad, one sister chromatid
contains alleles ab, while the other sister chromatid contains alleles AB (upper and lower case indicate different alleles of the same gene). Which genetic combinations are possible in the four gametes that are produced from a single chiasma between these chromosome pairs?
a. Ab, AB, ab, aB b. Ab, Ab, aB, aB c. Aa, Bb, ab, Ab d. Ab, Ab, AB, AB e. AB, AB, ab, ab
The letter "D" in the accompanying figure represents the ____
a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle
Red algae are found in relatively deep water. In order for light to penetrate to these depths, it must be high in energy. Which wavelengths of light would you expect red algae to use?
A) red B) yellow C) green D) blue
As the difference in the electronegativity between atoms forming a chemical bond increases, the:
A) more symmetrical the molecule. B) more stable the molecule. C) less polar the molecule. D) more polar the molecule.