B. homeostasis B. regulation
Panting is a phenomena for maintenance of homeostasis in the body. In panting water from the inner moist lining of the oral cavity and pharynx get evaporated. This method of heat loss during hot and humid conditions is applied by dogs and other mammals to keep them cool. It is a kind of heat regulation process. Dogs keep there mouth open so that excess heat can liberate from their body.
Interneuron, skeletal muscle, somatic receptor, afferent nerve fiber, and efferent nerve fiber.
The action potential from skin receptors is sent by nerves in this type of reflex system.
Sensory neurons advance the motion to the Central Nervous System (CNS).
The efferent neuron or motor neuron causes changes at the effector, which are the skeletal muscles, for adequate integration and responsiveness.
Reflex action refers to the full series of actions. The reflex arc is the name of the route.
Somatic receptor followed by afferent nerve fiber, interneurons, efferent nerve fiber, and skeletal muscle constitutes the proper order.
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Answer:
(c) Inherited a mutation in a gene required for mismatch repair
Explanation:
Gene mutations are occasional changes that occur in genes, that is, the procedure by which a gene undergoes a structural change. Mutations involve the addition, deletion or substitution of one or a few nucleotides of the DNA strand. Mutation provides the emergence of new forms of a gene and, consequently, is responsible for gene variability.
It is common for several members of the same family to have the same genetic mutations, as the gene affected by the mutation may condition a trait that DNA cannot repair. An example of this is the family shown in the question above, where several people were diagnosed with the same type of cancer while still young. What probably happened in this family was that people diagnosed with cancer inherited a mutation in a gene needed to repair incompatibility.
Answer:
0.095
Explanation:
Phenylkentonuria is a disease caused by a recessive allele.
The frequency of the recessive allele + the frequency of the dominant allele equals 1.
The frequency of the recessive allele is q = 0.05
The frequency of the dominant allele then is p = 1 - q = 0.95
If people mate randomly, the frequency of the homozygous dominant genotype will be p², the frequency of the heterozygous genotype will be 2pq and the frequency of the homozygous recessive genotype will be q² .
2pq=2× 0.05 × 0.95
2pq=0.095
The heterozygote frequency in the population is 0.095
