If a plant is an autotetraploid with the genotype A1A1A2A2, what is the frequency of offspring with the genotype A1A1A1A1 following self-fertilization of the plant?
A) 1/2
B) 1/4
C) 9/16
D) 8/36
E) 1/36
E
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A species that contains two copies of each chromosome is called _______
A. a genetic mutation B. a morph C. haploid D. diploid E. alleles
Hydrogen peroxide is used in the process of sterilizing instruments such as endoscopes.
Answer the following statement true (T) or false (F)
Characterize the types of symbioses involved in the ant-wasp-aphid-buchnera-secondary symbiont system. Which pairs of species interactions do you think represent symbioses? Which pairs of interactions do you think are too weak or distant to be considered symbioses?
What will be an ideal response?
Traditionally, the _______ were assigned to the basal group called Parazoa
A. jellyfish B. sponges C. flatworms D. roundworms E. ribbon worm