<span>When
operating in conditions of reduced visibility, you should turn on and use the
navigation lights. Ensure that the light is set to the correct code and in the correct
position. If radar is available, use it to make sure than you are not on a collision
course with a boat without any lights. </span>
Answer:
D. Human height is controlled by many genes.
Explanation:
Human height is controlled by many genes. describes a Mendelian trait.
Height is a model trait that is controlled by variant of genes and not by only one gene. Height is a contribution of many genes because the height of a body consists of different body parts, such as the torso, leg bones, and even the neck.
Hence, the correct option is "D".
<h2>DNA Fingerprinting</h2>
Explanation:
- DNA fingerprinting is a process in which samples of DNA are taken from evidence left at a crime scene and then are matched with samples of DNA taken from suspects. Often, perpetrators of crime leave some kind of physical evidence at the crime scene, such as saliva, hair, blood, or semen. DNA samples can often be collected from this and can then be compared with those who are suspected of committing the crime
- It allows us to identify an individual from biological samples. It's called fingerprinting because, just like identifying an individual based on the unique patterns we find on their fingers, we identify an individual based on the unique fingerprint of their DNA
- DNA fingerprints assist police due to their ability to identify individuals by their genetic markers. It is both a highly consistent and accurate form