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s344n2d4d5 [400]
1 year ago
10

Why did all of the F₁ offspring of Mendel's classic pea cross always look like one of the two parental varieties? (A) No genes i

nteracted to produce the parental phenotype. (B) Each allele affected phenotypic expression. (C) The traits blended together during fertilization. (D) One allele was dominant.
Biology
1 answer:
Orlov [11]1 year ago
6 0

All of the F₁ offspring of Mendel's classic pea cross always looked like one of the two parental varieties because (D) One allele was dominant.

According to law of dominance, traits are regulated by discrete units called 'factors' or genes. These factors occur in pairs (alleles) and in a dissimilar pair of factors, one of the members of this pair dominates the other one.

The one which dominates is known as the dominant allele while the one which remains unexpressed is termed as recessive allele.

The law of dominance is used to explain the expression of only one of the parental traits in a monohybrid cross in the F₁ offspring.

To learn more about law of dominance here

brainly.com/question/2931799

#SPJ4

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Answer:

natural selection

Explanation:

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4 0
3 years ago
A geologist is studying two different rhyolite flows to determine if they were erupted at the same time.
ss7ja [257]
Q1. The answer is 1.

It can be calculated using the equation:

 (1/2)ⁿ = x

x - decimal amount remaining, 

n - a number of half-lives.


x = 50% = 50/100 = 0.5

n = ?

(1/2)ⁿ = 0.5

log((1/2)ⁿ) = log(0.5)

n * log(1/2) = log(0.5)

n * log(0.5) = log(0.5)

n = log(0.5)/log(0.5)

n = 1


Q10. The answer is 2.


It can be calculated using the equation:

 (1/2)ⁿ = x

x - decimal amount remaining, 

n - a number of half-lives.


Rhyolite #2 has 25% of the parent H remaining:

x = 25% = 25/100 = 0.25

n = ?

(1/2)ⁿ = 0.25

log((1/2)ⁿ) = log(0.25)

n * log(1/2) = log(0.25)

n * log(0.5) = log(0.25)

n = log(0.25)/log(0.5)

n = -0.602 / - 0.301

n = 2



Q3. The answer is 100 million years.


A number of half-lives (n) is a quotient of total time elapsed (t) and length of half-life (H):

n = t/H

n = 1

t = ?

H = 100 000 000 years


n = t/H

t = n * H

t = 1 * 100 000 000 years

t = 100 000 000 years<span>

</span>

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Answer:

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Which of the following statements provides an example of responsiveness?​
vovikov84 [41]
I was wondering too??
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