Sex linkage is a phenotypic expression where certain traits are expressed together with the sex gene. They are said to be linked to the sex genes. These include, Colour blindness, hemophilia among other traits. In this case if the mother is a carier (XcXC) and the father who is normal (XcY). This means the offsprings will be a carier daughter ,normal daughter, normal son and a color blind son.
The reason why the Southern California steelhead run sizes has decreased by 90% is the construction of dams along water sources.
<h3>What is a dam?</h3>
The dam is a large structure that serves the purpose of holding back water and making its level to rise quite high. Dams could be used for the purpose of electricity generation.
The reason why the Southern California steelhead run sizes has decreased by 90% is the construction of dams along water sources.
Learn more about a dam:brainly.com/question/13945438?
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Water has a high specific capacity of heat, so it absorbs the heat on earth w/o a significant rise of temp. in the water. This helps to buffer the temp. on Earth makes it a relatively constant temperature, which is essential for most organisms.
False results, wrong observations, etc, etc..
C the only reasonable answer because if some amount of grass and fruit available were destroyed and they wouldn’t be as much of supply food for them so the some would have to migrate and some would die.