Capping the ends of chromosomes are stretches of DNA called
a. centromeres.
b. centrosomes.
c. acrosomes.
d. telomeres.
e. isomers.
D
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The sugar phosphate backbone of the DNA stores genetic information
Indicate whether the statement is true or false
What explains why two genes have a high percentage of ending up in the same gamete?
a. heterozygous b. allele variation c. co-dominance d. independent assortment e. linkage
A point mutation changes a codon from UCG to UAG. What will happen to the resulting polypeptide?
What will be an ideal response?
In some parts of Africa, the frequency of heterozygosity for the sickle-cell anemia allele is unusually high, presumably because this reduces the frequency of malaria. Such a relationship is related to which of the following?
A) Mendel's law of independent assortment B) Mendel's law of segregation C) Darwin's explanation of natural selection D) the malarial parasite changing the allele