Answer:
Diagram of the chromosome is attached below.
Explanation:
A fruit fly has gray body and vestigial wings is crossed with a fly with black body and normal wings. These chromosomes represent the pair of homologous chromosomes. These genes are linked gene and present on the same chromosome.
The cross shown below shows the parental generation of the fruit fly.
Answer:
Homeostasis
Explanation:
Homeostasis is the maintenance of a steady-state/condition in the body to ensure the optimal workings of the cells. Blood sugar level is one of the variables in the body that also has to be maintained through positive and negative feedback loops to maintain the desired level. Insulin is the hormone used for negative feedback (to reduce the blood sugar level when it goes higher than the normal level) and Glucagon is the hormone for positive feedback (to raise the blood sugar level when it goes below the normal levels).
<span>Cephalization
</span>Cephalization<span> is considered an evolutionary trend, whereby nervous tissue, over many generations, becomes concentrated toward one end of an organism. This process eventually produces a head region with sensory organs</span>
Explanation: You can look up any word you need online. Printing is unnecessary.
