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3 years ago

Which describes a Mendelian trait?

Biology

2 answers:

Lapatulllka [165]3 years ago

8 0

The correct answer is C. (Ik it's correct because I just answered it)

Marta_Voda [28]3 years ago

7 0

The Mendelian trait are those controlled at only single gene locus. The Mendelian trait have two alleles (one form each parent), out of which one allele is dominant while the other is recessive. The dominant allele will express in both homozygous and heterozygous conditions while the recessive allele will express itself only in homozygous condition. An example of the human Mendelian trait is the attached or detached earlobes. A human will either have attached earlobe or detached earlobe.

Hence, the correct answer is 'Option C - humans either have attached earlobes or detached earlobes'.

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g If a person takes a prescribed dose of 10 milligrams of Valium, the amount of Valium in that person's bloodstream at any time

Elenna [48]

Answer:

a. 8.1 milligrams

b. 40.07 hours

c. 8.859 milligrams

Explanation:

If a person takes a prescribed dose of 10 milligrams of Valium, the amount of Valium in that person's bloodstream at any time can be modeled by

$A_{t}=10e^{-0.0173t}$

Where A(t) = amount of Valium remaining in the blood after t hours

t = time or duration after the drug is taken

a. we have to calculate the amount of drug remaining in the bloodstream after 12 hours

$A_{12}=10e^{-0.0173\times12}$

$A_{12}=10e^{-0.2076}$

= 10×0.81253

= 8.1 milligrams

b. In this part we have to calculate the time when A(t) = 5 milligrams

$5=10e^{-0.0173\timest}$

$\frac{5}{10}=e^{-0.0173t}$

0.5 = $e^{-0.0173t}$

Now we take natural log on both the sides of the equation.

ln(0.5) = ln( $e^{-0.0173t})$

-0.69314 = -0.0173t

t = $\frac{0.69314}{0.0173}$

t = 40.0658

≈ 40.07 hours

c. In this part we have to calculate the rate, by which amount of drug will decay in the bloodstream after 7 hours.

$A_{7}=10e^{-0.0173\times7}$

$A_{7}=10e^{-0.1211}$

= 10×0.8859

= 8.859 milligrams

6 0

3 years ago

Anne was observing a cell under a microscope which was undergoing binary fission. Which type of cell was Anne observing? Eukaryo

Anna11 [10]

Prokaryotic cells undergo binary fission

7 0

3 years ago

Which clas does honey bee belong too?

AysviL [449]

Answer:

Insect

Explanation:

Are you looking for class or kingdom?

4 0

3 years ago

Read 2 more answers

What is the result of each phase of meiosis?

RideAnS [48]

Homologue pairs separate during a first round of cell division, called meiosis I. Sister chromatids separate during a second round, called meiosis II. ... In each round of division, cells go through four stages: pro-phase, meta phase, ana phase, and telophase.

im learning this in science so...

7 0

3 years ago

What affects an ecosystem more, the abiotic factors that make it up, or the communities living in to?

nataly862011 [7]

Answer:

Species, A group of similar organisms that can mate and produce fertile offspring ... Community, All the populations of all the different species that live together in a particular area ... Ecosystems are influenced by both biotic and abiotic factors. ... not abiotic. Some people think that if an organism is no longer alive,

Explanation:

I hope this kinda helps.

3 0

3 years ago