Consider an animal that is a tetraploid. Following meiosis, how many copies of each homologous chromo-some will be found in the gametes?
What will be an ideal response?
ANS:
two
Biology & Microbiology
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Genetic drift can eliminate alleles from a population more quickly than natural selection
Indicate whether the statement is true or false.
Biology & Microbiology
In eukaryotic cells, which occurs during
mitosis? a. the duplication of chromatids b. the replication of DNA c. synapsis and crossing over d. fragmentation and disappearance of nuclear envelope e. all of these
Biology & Microbiology
Heterotrophic eukaryotes that digest their food externally and absorb the small molecules are referred to as
A) bacteria. B) fungi. C) plants. D) multicellular algae.
Biology & Microbiology
Animal research has revealed a general reward system related to the release of the neurotransmitter
A) acetylcholine. B) GABA. C) dopamine. D) epinephrine.
Biology & Microbiology