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Akimi4 [234]
3 years ago
13

A couple comes to a genetic councilor concerned about their chances of having a baby with Tay Sachs disease. The husband had a s

ibling die of the disease, which is inherited as a autosomal recessive trait. What are the chances that he is a carrier?
Biology
1 answer:
Sonbull [250]3 years ago
4 0

Answer:

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Explanation:

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Most cells can only be seen with:
REY [17]

Answer: a microscope

Explanation:

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3 years ago
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Which characteristic contributes MOST to the survival of the different birds on the islands?
Roman55 [17]
The main food sources of the birds( the plentiful recourses within the environment occupied by the species)
3 0
3 years ago
Mutations can occur in the chromosomes of all types of cells. Mutations that are passed on to offspring must occur in
Viktor [21]

Answer:

Mutations are only passed on to offspring when they occur in germ cell DNA, which are the cells that create sperm or ova. The other kind of cells, somatic cells, are the rest of the cells in the body, and mutations that occur in these cells do not get passed on to offspring.

Explanation:

i had the same thing for health

3 0
3 years ago
Competition is a driving force behind natural selection. Which of these statements best describes why competition is a constant
kramer

Answer:

C

Explanation:

Remember that a niche is an inhabited areas where organisms essentially behave a little like humans each filling their own individual role. These aren't extremely common to find but the whole concept of it is that these organisms will function peacefully and trying to help one another survive. C is correct because with minimal resources you will lose that sense of tranquility and now fight it out for who is the fittest for the environment

Hope this helps!

7 0
3 years ago
Which of the following samples will have the greatest volume at STP?a. 22 g Neb. 22 g Hec. 22 g O2d. 22 g Cl2 e. All have the sa
sammy [17]

Answer:

22g of He

Explanation:

Volume of gas at STP is given as :

Volume occupied(dm³) = number of moles x 22.4dm³mol⁻¹

In order to solve this given problem, we would first find the number of moles from the different masses of atoms and molecules given.

Number of moles = \frac{mass }{Molar mass}

Now, let us obtain the molar mass of the given atoms and elements:

For Ne; molar mass is the atomic mass = 20gmol⁻¹

      He = 4gmol⁻¹

      O₂ = (16 x2)gmol⁻¹  = 32gmol⁻¹

      Cl₂ = (35.5x2)gmol⁻¹ = 71gmol⁻¹

Number of moles of Ne = \frac{22}{20} = 1.1mol

Volume occupied by Ne at STP = 1.1 x 22.4 = 24.64dm³

       

Number of moles of He = \frac{22}{4} = 5.5mol

Volume occupied by He at STP = 5.5 x 22.4 = 123.2dm³

Number of moles of O₂ = \frac{22}{32}  = 0.688mol

Volume occupied by O₂ at STP = 0.688 x 22.4 = 15.4mol

Number of moles of Cl₂ = \frac{22}{71} = 0.3099mol

Volume occupied by Cl₂ at STP = 0.3099 x 22.4 = 6.94dm³

5 0
2 years ago
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