_____ is the specific set of genes an organism possesses, while _______ is the physical trait.
a) Karyotype; wildtype
b) Phenotype; karyotype
c) Genotype; karyotype
d) Genotype; phenotype
Answer: d) Genotype; phenotype
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When atmospheric carbon dioxide concentrations decrease, the ________ cycle gives C4 plants an advantage over C3 when it comes to fixation.
Fill in the blank(s) with the appropriate word(s).
Why is there a synaptic delay in gustatory receptors that is not seen in olfactory receptors?
a) gustatory receptors have a different threshold from olfactory receptors b) gustatory receptors have a separate cell & sensory neuron c) gustatory receptors have non-excitable membranes d) olfactory receptors have a different threshold
Groups of cells that secrete substances are called:
A) organ systems. B) hormones. C) tissues. D) glands.
The development of normal maternal behavior in female mice depends on interactions between the female and her young and the presence of a gene called fosB. In mice with functional fosB genes, a sequence of events occurs after babies are born.Arrange the events in their normal sequence following the birth of baby mice for a wild-type female.____ The gene fosB is activated, producing protein that activates other genes.____ Auditory, olfactory, and tactile signals about the young are sent to the hypothalamus.____ Female crouches over young and retrieves them if they leave the nest.____ Female inspects newborns.____ Neural circuitry within the hypothalamus is modified, facilitating maternal behavior.
What will be an ideal response?