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Whitepunk [10]
3 years ago
6

A brown fruit fly was crossed with a black fruit fly as shown below. What is the probability of a resulting offspring being blac

k?
A.
100%

B.
75%

C.
25%


D.
50%
Biology
1 answer:
Finger [1]3 years ago
5 0

Answer:

B 75%

Explanation:

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The questions is one the picture above. <br><br> PLEASE HELP!!
trapecia [35]

Answer:

Below

Explanation:

Carbon Monoxide chemical symbol is CO

Nitrogen Oxides chemical symbol is NO

Ozone chemical symbol is O3

Particulate Matter symbol is PM

Lead chemical symbol is Pb

Carbon Monoxide physical characteristics: Colorless, odorless, tasteless, non-corrosive, highly poisonous gas of about the same density as that of air.

Nitrogen Oxides physical characteristics: gas at room temperature, is 1 1/2 times denser than air, is colorless, tasteless, and has a slightly sweet odor.

Ozone: Pure ozone is a blue gas, with a strong irritating smell. ...

It is about 1.5 times heavier than air and has a vapor density of 24,absorbs radiation strongly

Particulate Matter:the sum of all solid and liquid particles suspended in air many of which are hazardous. includes both organic and inorganic particles.

Lead: Lead is a bluish-white lustrous metal. It is very soft, highly malleable, ductile, and a relatively poor conductor of electricity. It is very resistant to corrosion but tarnishes upon exposure to air.

Carbon Monoxide health effects: Breathing CO can cause headache, dizziness, vomiting, and nausea. If CO levels are high enough, you may become unconscious or die. Exposure to moderate and high levels of CO over long periods of time has also been linked with increased risk of heart disease.

Nitrogen Oxide: long-term exposure may lead to respiratory infections and asthma which could lead to death. when first exposed to it, respiratory diseases may be aggravated.

Ozone: Breathing ozone can trigger a variety of health problems including chest pain, coughing, throat irritation, and airway inflammation. It also can reduce lung function and harm lung tissue. Ozone can worsen bronchitis, emphysema, and asthma , leading to increased medical care .

Particulate Matter: exposure may lead to premature death or heart disease, non-fatal heart attacks, irregular heartbeat, aggravated asthma, decreased lung functions, and increased respiratory system symptoms.

Lead: Exposure to high levels of lead may cause anemia, weakness, and kidney and brain damage. Very high lead exposure can cause death. Lead can damage a developing baby's nervous system.

5 0
3 years ago
How does segragation increase the genetic variability of sexually reproducing organisms?
Llana [10]
<span>The law of segregation is a principle of Mendelian genetics. The law of segregation occurs during meiosis when gametes are formed. At this time, the alleles for each gene segregate from one another. As a result, each gamete contains only one allele per gene. Thus, the gametes are haploid. The gametes need to be haploid so the specie’s diploid number is maintained when the egg and sperm unite. As a result of the law of segregation, each diploid parent passes a random allele for each trait to his/her offspring during fertilization. Thus, segregation increases variation within a species.</span>
5 0
3 years ago
13. Jane wants to figure out which of two foods is the healthiest for her pet gerbil, Bob, so she decides to conduct an
Svetach [21]

Answer:

The type of food Bob is given.

Explanation:

An independent variable in an experiment is the variable that is changed. Here, the type of food is the only thing that is changed and the amount of water, temperature and other variables were kept constant (same). Thus, the independent variable is the type of food Bob is given.

7 0
3 years ago
How are populations involved in speciation?
Nikolay [14]
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3 years ago
What effects would El Niño most likely have on organisms?
solniwko [45]
The answer is C. El Niño would cause changes in the genetic makeup of organisms.
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