A cow with black and white patches is produced from a white bull and a black cow. This is an example of
a. incomplete dominance.
b. Codominance.
c. dominance/recessive trait.
d. Pleiotropy.
Ans: b. Codominance.
You might also like to view...
Suppose an individual is heterozygous for alternate alleles of gene A (Aa). Under what conditions would a crossover in a somatic cell of this individual lead to a clone of cells that are homozygous for a? (Pick the most precise answer.)
A) The crossover would have to occur between the A locus and the centromere and involve two homologous (nonsister) chromatids. B) The crossover would have to occur between the A locus and the end of the chromosome and involve two homologous (nonsister) chromatids. C) The crossover would have to occur between the A locus and the end of the chromosome and involve two nonhomologous chromosomes. D) The crossover would have to occur between the A locus and the centromere and involve two sister chromatids.
____ changes the DNA but has no impact upon
the individual
a. A beneficial mutation b. A lethal mutation c. A random mutation d. A neutral mutation e. None of these
In sweet peas, genes C and P are necessary for
colored flowers. In the absence of either (__ pp or cc __) or both (cc pp), the flowers are white. Give the probable genotype of a plant with colored flowers and a plant with white flowers that produced 38 plants with colored flowers and 42 plants with white flowers. What will be an ideal response?
Which is NOT an indigenous microbe used for bioremediation?
A) Piscirikettsis salmonis B) Pseudomonas aeruginosa C) Phanerochaete sordida D) E. coli E) Deinococcus radiodurans