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3 years ago

Which are the possible genotype combinations for their offspring? Check all that apply

Biology

1 answer:

Keith_Richards [23]3 years ago

4 0

Answer:

There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele. Both parents produce 25% each of AB, Ab, aB, and ab.

Explanation:

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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

2 years ago

HELP ASAP BEING TIMED (STILL)

Aliun [14]

im pretty sure the answer is C let me know if its wrong dont give me brainiest

8 0

3 years ago

Which phylum has members that secrete a hard, calcium carbonate shell?

otez555 [7]

Answer:

i believe your answer would be Mollusca.

Explanation:

(i looked it up on britannica if you have any questions.) Mollusk, also spelled mollusc, any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.

8 0

2 years ago

Explain what takes place during the G2 phase of the cell cycle.

RUDIKE [14]

Answer:during this phase, the cell makes final preparations to divide. For example, it makes additional proteins and organelles. This phase is sometimes referred to as Gap 2.

Explanation:

4 0

2 years ago

Which clinical manifestation, when found in newborns, may indicate the presence of cystic fibrosis?

SCORPION-xisa [38]

Meconium ileus, in newborns, may indicate the presence of cystic fibrosis

Cystic fibrosis is a genetic disorder mainly associated with cells capable of producing mucus. These cells are found in sweat glands, digestive system and lungs belonging to respiratory system. Thus, the abnormality in mucus production, in sticky and thick nature, disrupts the normal functioning of human body. They block the ducts and tubes, which can result in life threatening condition.

The mutation responsible for cystic fibrosis occurs in the gene CFTR, which is abbreviated form of Cystic fibrosis trans membrane conductance regulator. The primary function of gene is to regulate the exchange of fluids and salts present in the cells.

Meconium ileus refers to the inability of bowel movement in the newborn. This occurs due to thick and sticky mucus, which is indicative of cystic fibrosis, as discussed above.

Learn more about cystic fibrosis -

brainly.com/question/25129734

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3 0

1 year ago