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4 years ago

PLEASE HELP ME!!

Chemistry

2 answers:

Assoli18 [71]4 years ago

8 0

D to trace the inheritance of human traits in humans

julsineya [31]4 years ago

3 0

Answer: The correct answer is- (D) To trace the inheritance of traits in humans.

Pedigree is a representation of family members ( in the form of flow chart with specific symbols) that indicates a trait ( such as sickle cell anemia, which is an autonomous recessive trait) in a family and across many generations.

Pedigree analysis is done to determine genotypes, morphological form, and predict the chances of passing a trait in the next generation.

There can be different inheritance pattern for a trait ( such as dominant, recessive, autosomal, or sex-linked).

Thus, genetic counselors perform pedigree analysis in order to help families in identifying the risk of genetic disorders and are used by research scientists in determining inheritance pattern of traits in humans.

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Which statement describes effusion?

frez [133]

Answer:

It occurs when a gas passes through a tiny hole.

Explanation:

Effusion is a term used to describe when a gaseous molecule in a container passes or escapes through a tiny/small hole. Effusion and diffusion are two properties of gases that are often used interchangeably, however, they differ.

Effusion differs from diffusion in the sense that the gas passes through a TINY HOLE that is smaller than the normal path. This is contrary to when gas disperses throughout a container as in diffusion.

7 0

3 years ago

Read 2 more answers

need help plz !The reaction between hydrogen and nitrogen to give ammonium is a reversible reaction. if why or why not.Answer it

MaRussiya [10]

Answer:

We get ammonia because the forward and reverse reactions are happening at the same rates.

If 3 mol of

is mixed in a sealed vessel with 1 mol

under suitable conditions then they will react to form ammonia

→

At the start of the reaction the concentration of the

and

are high. As soon as some

is formed the reverse reaction will start to occur:

→

The rate of the reaction depends on concentration so the forward reaction will be fast at first when the concentration of the reactants is high. It will slow down as their concentration decreases.

By the same reasoning the reverse reaction will be slow at first then increase. These two processes continue until a point is reached when the rates of the forward and reverse reactions are equal.

We now state that the reaction has reached equilibrium which we show by:

⇌

It is described as "dynamic" because the forward and reverse reactions are happening at the same time although the concentrations of all the species remain constant.

So although

is constantly breaking down, more is being formed at a constant rate.

In the Haber Process the system is actually not allowed to completely reach equilibrium as the process is continuous, as described in Mukhtar's answer.

Explanation:

5 0

3 years ago

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As the temperature of a gas increases with the volume remaining constant, the pressure of the gas A) decreases B) increases C )

Bess [88]

Answer:

B) increases

higher temperature = higher pressure

8 0

3 years ago

What can you infer if the fossil of a marine organism is found in an area that is now dry land?

Deffense [45]

Answer:

Fossils also help us to infer why dinosaurs and other organisms became extinct. Fossils tell us that there was a mass extinction at the time of the dinosaurs. They died out about 65 million years ago, along with more than half of all the other animal and plant species. ... Without plants, dinosaurs could not survive.

Explanation:

hope it will help you have a great day bye and Mark brainlist if the answer is correct

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4 0

2 years ago

How many moles of water are in 1.23 x 10 to the 18th power water molecules

mamaluj [8]

Divide the number of molecules you have by, 6.022 x 10^23. This will give you the moles of water, or the moles of anything, since there is always 6.022 x 10^23 molecules in 1 mole of substance.

1.23x10^24 atoms/6.022x10^23 atom/mole = 2.04 mole H20

3 0

3 years ago

Read 2 more answers