In order: 50% 0% 100%? 50%
you have a 50% chance of having healthy offspring b/c they do not possess the gene
0% b/c they all carry the disease
100% b/c all of them have the recessive gene
50% b/c there’s only two that are completely recessive (aa)
Answer: D. Hypothesis B is more useful because it suggests a way to test the relationship between heart rate and caffeine intake.
Hypothesis A and B both are suggesting that caffeine intake is related to higher heart rate. But hypothesis B is proving it more certainly by suggesting the affects of caffeine intake on heart rate. As, heart rate of most people will be higher 30 minutes after they drink a cup of coffee is testifying the fact, that higher heart rate is related with caffeine intake.
Therefore, hypothesis B is more useful because it suggests a way to test the relationship between heart rate and caffeine intake.
Purebred is another word for homozygous
The conclusion they reached was that the six major emotional expressions appear to be universal.
<h3>What are facial expressions?</h3>
Facial expressions are the various movement of the face that shows the emotional state of an individual.
The six major emotional expressions are :
These are be expressed by any individual in any part of the world.
Therefore, the conclusion they reached was that the six major emotional expressions appear to be universal.
Learn more about emotion here:
brainly.com/question/4692301
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Answer:
its either C or D, im not sure bc im in 6th
Explanation: