1. what clue to the presence of certain genetic disorders can be seen in karyotype? 2. why might a lab worker attempting to diagnose a genetic disorder prefer to work with photographs of chromosomes rather than the chromosome themselves? 3.why would it be much difficult to construct a karyotype of unstained chromosomes?
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The correct answers are:
A. Mammals
B. Birds
D. Reptiles.
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Answer:
The order must be K2→K1, since the permanently active K1 allele (K1a) is able to propagate the signal onward even when its upstream activator K2 is inactive (K2i). The reverse order would have resulted in a failure to signal (K1a→K2i), since the permanently active K1a kinase would be attempting to activate a dead K2i kinase.
Explanation:
- You characterize a double mutant cell that contains K2 with type I mutation and K1 with type II
mutation.
- You observe that the response is seen even when no extracellular signal is provided.
- In the normal pathway, i f K1 activat es K2, we expect t his combinat ion of two m utants to show no response with or without ext racell ular signal. This is because no matt er how active K1 i s, it would be unable to act ivate a mutant K2 that i s an activit y defi cient. If we reverse the order, K2 activating K1, the above observati on is valid. Therefore, in the normal signaling pathway, K2 activates K1.
Answer:
Answer is the hierarchy of needs.
Explanation:
This theory comprises of a five-tier model of human needs. Its levels are physiological, safety, love, esteem and self-actualization as arranged from the bottom to the top.
