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sergejj [24]
2 years ago
12

Which of the following genetic abbreviations denotes a male human? help please

Biology
1 answer:
stiv31 [10]2 years ago
4 0

Answer:

Answer is Option D - XY.

Explanation:

A typical human diploid cell contains 46 chromosomes, or 23 pairs: Two of the 46 are the sex chromosomes that determine an individual's sex: XX = female and XY = male.

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A forensic scientist in using a standard biological microscope with 15 objective and 5 eyepiece to examine a hair from a crime s
SIZIF [17.4K]

The given data is Magnification, M = 15

Length of the tube , L = 16 cm

The focal length of the lens can be calculated by:

M = L/F

Substituting the value, we get:

15 = 16/f

f = 16/15

f = 1.067 cm

Using the equation of magnification we get,

M = v/u

Substituting the values we get:

15 = v/u

v = 15 u

With the help of lens formula, calculate the object distance:

1/f = 1/v + 1/u

Substituting the value we get,

1/1.067 = 1/15u + 1/u

0.937 = 1.067/u

u = 1.13 cm or 1.1 cm.

Hence, the object distance is 1.1 cm.


3 0
3 years ago
When the outer electron shell is full in an element, this creates a __________ ___________
Ierofanga [76]

<u>Answer: </u>

When the outer electron shell is full in an element, this creates a Noble gas.

<u>Explanation</u>:

Noble gases are the elements that belong to group 18 in the periodic table.  Noble gases are also called as inert gases. The outermost shell of the noble gases are fully filled by electrons. Due to this the noble gases don’t react with any other elements and remain isolated.

There are 6 noble gases in the periodic table. They are helium (He), Argon (Ar), Neon (Ne) Krypton (Kr), Radon (Rn) and Xenon (Xe). Noble gases conduct electricity. They are fluorescent, odorless and colorless. Noble gases are used a maintain stable elements in a constant and safe environment.

5 0
2 years ago
Microbiologist who demonstrate that DNA was genetic material is...
LenaWriter [7]
Check in your text book
5 0
3 years ago
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Alexandra [31]
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7 0
3 years ago
Read 2 more answers
Which advantage of reproduction does the graph show? Explain!
Brilliant_brown [7]

The explanation regarding the advantage of reproduction that represents the graph should be described below.

Advantages of reproduction:

Here the graph represents the bacteria population that should be raised as the time passes. At the time of 1st hour, the bacteria population should be 50 per ml.

In the second hour, the population should be doubled. In the third hour it should be 200 per ml and in 3 and half hours, the population should be 300 per ml. So here we can see that the population should be doubled with every hour.

5 0
2 years ago
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