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Illusion [34]
3 years ago
15

Which statement best explains the genetic variation that results from sexual

Chemistry
2 answers:
Mkey [24]3 years ago
7 0

Answer:

Each chromosome contains many copies of the same gene

Lubov Fominskaja [6]3 years ago
6 0

Answer:

Offspring receive a mix of genes from two different parents

Good luck!

You might be interested in
A 0.5376 g sample of an unknown compound is found to contain 0.3044 g of carbonate. Could this compound be calcium carbonate?
shepuryov [24]
Calcium carbonate has the formula: CaCO3
From the periodic table:
mass of calcium = 40 grams
mass of carbon = 12 grams
mass of oxygen = 16 grams
Therefore,
molar mass of CaCO3 = 40 + 12 + 3(16) = 100 grams
molar mass of carbonate = 12 + 3(16) = 60 grams

One mole of calcium carbonate contains one mole of carbonate. Therefore, 100 grams of CaCO3 contains 60 grams of CO3.
If the 0.5376 grams of the unknown substance is CaCO3, then the amount of carbonate will be:
amount of carbonate = (0.5376*60) / 100 = 0.32256 grams

Based on the above calculations, the sample is not CaCO3
6 0
3 years ago
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
Art [367]
 when iron and oxygen the reactin form Fe2O3 balance equation for this is  <span>4Fe + 3O2---> 2Fe2O3 
9moles of O2 are needed to produce 6mol of Fe2O3 since the ratio of oxygen to iron(II)oxide is 3:2 
                               hope its help</span>
6 0
3 years ago
Which property best indicates that a compound contains an ionic bond?
ahrayia [7]

Answer:

They dissociate into positive and negative ions in the solution.

Explanation:

NaCl when dissolved in water dissociates into Na+ ion and Cl- ion.

7 0
3 years ago
What is the volume, in milliliters, occupied by 30.07 g of an object of density equal to
den301095 [7]

Answer:

\boxed {\tt 20.317567567568 \ mL}

Explanation:

The density formula is:

d=\frac{m}{v}

Let's rearrange the formula for v. the volume. Multiply both sides by v, then divide by d.

d*v=\frac{m}{v}*v

d*v=m

\frac{d*v}{d}=\frac{m}{d}

v=\frac{m}{d}

The volume can be found by dividing the mass by the density. The mass of the object is 30.07 grams and the density is 1.48 grams per milliliter.

m= 30.07 \ g\\d= 1.48 \ g/mL

v=\frac{30.07 \ g}{1.48 \ g/mL}

Divide. Note, when dividing, the grams, or g will cancel out.

v= \frac{30.07}{1.48 \ mL}

v=20.317567567568 \ mL

The volume of the object is 20.317567567568 milliliters.

3 0
3 years ago
Which is a correct comparison between the modern quantum model and John Dalton’s model of the atom?
REY [17]

Answer:

Explanation:

The modern model recognizes particles in the atom, whereas Dalton's model does not.

7 0
3 years ago
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