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maw [93]
3 years ago
8

Show the genotypes of the parents and the F1 offspring of a cross between a red and white petunia ​

Biology
1 answer:
goldenfox [79]3 years ago
5 0

F1 would be red because the first round is dominant-recessive the only other answer is pink.

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Tropical Deciduous Forest

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A study was conducted in men aged 40-70 in order to determine whether exercising for 2 or more hours per week decreases the like
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Answer: alternative A.

Explanation: In this case, we will consider people that already have had a heart attack. In this specific group of 1,000 people, 236 exercised regularly and had gone through this situation.

We can infer that 23.6% of people who exercised regularly have experienced that by dividing 236/1,000= 0.236= 23.6%.

If 236 people exercised, 1,000-236=764 didn't exercise regularly prior to their heart attacks, so 74.6% were considered to be sedentary.

If there's 0.236 chance out of 1 to exercise and still have a heart attack compared to 0.764 out of 1 to be sedentary and have the same experience, we can divide both ratios to compare them, so 0.236/0.764= 0.3089.

Alternative A claims that people who exercise have around 0.5 chance of having heart attacks compared to people who don't. Since our ratio resulted in 0.3089, we consider this number the closest to 0.5. Alternative <u>B is absurd because in order for people who exercise to have 2x the risk compared to people who don't, the number of people who exercised and went through that must be 2x bigger than people who didn't</u>. Alternative <u>C doesn't apply as well, because we already verified that the chance people who exercise have a heart attack equal to 23,6%. </u>

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3 years ago
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What types of organisms produce sexually
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A more stringent definition is agamogenesis which is reproduction without the fusion of gametes<span>. Asexual reproduction is the primary form of reproduction for single-celled organisms such as the </span>archaebacteria<span>, eubacteria, and protists. Many plants and fungi reproduce asexually as well.</span>
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An eclipse occurs when celestial object moves into the shadow made by another celestial object. Option A

<h3>What is an eclipse?</h3>

The term eclipse refers to a situation in which in which one celestial body casts a shadow on another celestial body. In this case, we could have the earth cast its shadow on the earth or the sun as the case may be.

The kinds of eclipse that could occur are;

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This brings us to conclude that; an eclipse occurs when celestial object moves into the shadow made by another celestial object. Option A

Learn more about eclipse:brainly.com/question/4279342

#SPJ1

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