<span>Red–green color blindness. ... It is sex-linked: genetic red–green color blindness affects males much more often than females, because the genes for the red and green color receptors are located on the X chromosome, of which males have only one and females have two.</span>
I think its B bc Lunar eclipses can only happen when the Moon is opposite the Sun in the sky, during a full moon. But lunar eclipses do not occur every month because the Moon's orbit is tilted five degrees from Earth's orbit around the Sun
Answer:
<em>decreased variation in the shades of red over time because no form of the trait is advantageous</em>
Explanation:
Natural selection tends to favor those organisms which are better adapted to live in an environment. These organisms are able to survive and pass on their characteristics to their offsprings.
The red colour of the male cardinal's was selected by natural selection and hence this colour was abundant. If the females choose some other criteria for mating with males, then natural selection will no longer favor the red colour and hence there will be a decrease in the variations of red coloiur.
The answer is what the other person said