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Sholpan [36]
3 years ago
6

If p + q = 1, and we now know that q = .5, what is p?

Biology
2 answers:
TEA [102]3 years ago
8 0

Answer:

0.5

Explanation:

1-0.5=0.5

q-p=answer

Sonbull [250]3 years ago
6 0

Answer:

.5

Explanation:

1-q= 1 -.5= .5, so p=.5

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Natalija [7]

the answer is hemimetabolism

8 0
3 years ago
A breeder is trying to decrease the maturation time in a population of sunflowers. In this population, the mean time to flowerin
aalyn [17]

Answer:

The next generation average time to flowering will be 98 days.

Explanation:

Before answering the question, we need to know a few concepts.

  • Artificial selection is the selecting practice of a specific group of organisms in a population -that carry the traits of interest- to be the parents of the following generations.  
  • Parental individuals carrying phenotypic values of interest are selected from the whole population. These parents interbreed, and a new generation is produced.  
  • The selection differential, SD, is the difference between the mean value of the trait in the population (X₀) and the mean value of the parents, (Xs). So,  

SD = Xs - X₀

  • Heritability in the narrow-sense, h², is the genetic component measure to which additive genetic variance contributes. The heritability might be used to determine how the population will respond to the selection done, R.  

h² = R/SD

  • The response to selection (R) refers to the metric value gained or lost from the cross between the selected parents. R can be calculated by multiplying the heritability h², with the selection differential, SD.  

R = h²SD  

R also equals the difference between the new generation phenotypic value (X₁) and the original population phenotypic value (X₀),  

R = X₀ - X₁

-------------------------------------------------------------------------------------------------------------

Now that we know these concepts and how to calculate them, we can solve the proposed problem.

<u>Available data:  </u>

  • trying to decrease the maturation time in a population of sunflowers.
  • the population mean time to flower is 100 days → X₀
  • Chosen parental Plants mean flowering time is 90 days → Xs
  • the narrow-sense heritability for flowering time is 0.2 → h²

According to what we sow previously, we need to find out the value of X₁, which reflects the next generation average time to flowering.

  • We know that R = X₁ - X₀, so we need to clear this formula to calculate X₁

X₁ = R + X₀

We already know that X₀ = 100 days,  

Now we need to calculate R.  

  • R = h²SD

We know that h² = 0.2,  

Now we need to calculate SD

  • SD = Xs - X₀

Xs = 90 days → Parentals media flowering time

X₀ = 100 → Population media flowering time

SD = Xs - X₀  

SD = 90 - 100  

SD = - 10 days

Knowing this, we can calculate R

  • R = h²SD

o h² = 0.2  

o SD = - 10

R = 0.2 x (-10)

R = - 2

  • Finally, once we know the R-value we can calculate the X₁ value

X₁ = R + X₀

X₁ = - 2 + 100

X₁ = 98

6 0
2 years ago
After intense activity, your muscles feel sore because of
velikii [3]

Answer:

After intense activity, your muscles feel sore because of _____. a) the accumulation of NAD+ b) the accumulation of lactic acid c) the accumulation of ATP d) the accumulation of carbon dioxide. B. ... ATPc "carbon planet," because carbon is the central element in organic compounds. ... After intense activity, your muscles feel sore because of a. the accumulation of NAD+. b. the accumulation of lactic acid. c. the accumulation of ATP. d. the accumulation of carbon dioxide. b. the accumulation of lactic acid.

Explanation:

srry if this dosent help

5 0
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wlad13 [49]

Answer: Relevance

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the survival of an individual and its community. Temperature is an abiotic factor with the

same relevance.

Some factors have greater relevance for an entire ecosystem. Abiotic and biotic factors

combine to create a system or, more precisely, an ecosystem, meaning a community of

living and nonliving things considered as a unit. In this case, abiotic factors span as far

as the pH of the soil and water, types of nutrients available and even the length of the

day. Biotic factors such as the presence of autotrophs or self-nourishing organisms

such as plants, and the diversity of consumers also affect an entire ecosystem.

Influencing Factors

Abiotic factors affect the ability of organisms to survive and reproduce. Abiotic limiting

factors restrict the growth of populations. They help determine the types and numbers

of organisms able to exist within an environment.

Biotic factors are living things that directly or indirectly affect organisms within an

environment. This includes the organisms themselves, other organisms, interactions

between living organisms and even their waste. Other biotic factors include parasitism,

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Explanation:

5 0
3 years ago
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Do all mutations result in negative effects? Why or why not?
Sauron [17]

Answer:

No, mutations do not all result in negative effects. Sometimes they can be beneficial, as they are completely random. It is our general tendency to think of the word "mutation" in negative terms; however, do not get confused. Mutations are the root/ultimate source of genetic variation; they are one of the main factors that allow populations to evolve.

6 0
3 years ago
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