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3 years ago

Is his study of pea plants, Gregor Mendel used which method to produce offsprings?

1 answer:

6 0

Gregor Mendel is the father of genetics. Im pretty sure he used the cross-pollination method. This method is when you cut the male parts of the flower carrying the pollen and dust that pollen onto a different female part of that flower. He had to prevent self-pollination in order for his experiment to work. Then he used those hybrids to study and conclude his results.

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In which stage of pertussis is the characteristic whooping sound made?

maksim [4K]

Answer:

paroxysmal

Explanation:

Pertussis is highly contagious and acute respiratory disease which is caused by bacteria Bordetella pertussis.

The disease has 3 types of stages which are catarrhal stage, paroxysmal stage, and convalescent stage.

<u>The paroxysmal stage of the Pertussis is characterized by the episodes of the coughing with a distinctive sound which is known as whopping during the process of inspiration. </u>

This type of cough gives disease the common name which is called Whooping Cough.

5 0

3 years ago

What are the 2 parts to an experiment?

romanna [79]

Answer:

The treatment generally consists of the independent variable, which is the variable that is being manipulated by the experimenter, and the dependent variable, which is observed or measured to see if it is responding to the independent variable.

BRAINLIST PLEASE

5 0

3 years ago

Read 2 more answers

Similar families can be grouped into

Dennis_Churaev [7]

Answer:

Similar families can be grouped into orders

3 0

3 years ago

Don marquis thinks abortion is almost always wrong because (most) fetuses ___________________.

myrzilka [38]

Don marquis thinks abortion is almost always wrong because (most) fetuses loose a bright and valuable future.

<h3>What is Abortion?</h3>

The term "abortion" refers to the removal or evacuation of an embryo or fetus in order to end a pregnancy. Miscarriages, also known as "spontaneous abortions," are abortions that take place naturally and happen in 30% to 40% of pregnancies. An induced abortion, or less frequently "induced miscarriage," is when pregnancy is intentionally ended. Abortion, when used without modification, typically refers to an induced abortion.

Induced abortion is one of the safest medical treatments when performed correctly. The probability of maternal death in the US is 14 times lower following an induced abortion than following childbirth. Unsafe abortions—those carried out by practitioners without the required training or in circumstances with insufficient resources.

Learn more about Abortion with the help of the given link:

brainly.com/question/11476637

#SPJ4

4 0

2 years ago

What will be the theoretcal yield of tungsten(s) ,W, if 45.0 g of WO3 combines as completely as possible with 1.50 g of H2? WO3(

7nadin3 [17]

Answer:

Theoretical yield of tungsten produced = 35.6836915592 ≈ 35. 68 g

Explanation:

The chemical equation can be expressed as follows;

WO3 (s) + 3H2(g) → W(s) + 3 H20(g)

Note that the equation is already balanced.

Molecular Mass of WO3= 183.84 + 15.999 × 3 = 183.84 + 47.997 = 231.837 g

From the equation 1 mole of WO3 reacts with 3 mole of hydrogen molecule.

Molecular mass of tungsten(W) = 183.84 g

1 mole of tungsten was produced from the chemical equation.

WO3 (s) + 3H2(g) → W(s) + 3 H20(g)

From the equation,

231. 837 g of WO3 produces 183.84 g of tungsten

45.0 g of WO3 will produce ?

grams of tungsten produced = 183.84 × 45 /231.837

grams of tungsten produced = 8272.8 /231.837

Theoretical yield of tungsten produced = 35.6836915592 ≈ 35. 68 g

7 0

3 years ago