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soldier1979 [14.2K]
3 years ago
6

If you know the genotypes of the parents, what can you use to determine the possible genotypes of the offspring

Biology
2 answers:
kodGreya [7K]3 years ago
4 0
You can use a punnett square to find the genotypes of the offspring. let’s say that one parent had a trait with the genotype AA, and the other had Aa. their children would have a 50% chance of being AA and a 50% chance of being Aa. you simply combine the letters that correspond with a given box, like in a times table.
Marianna [84]3 years ago
3 0
You can use punnet squares to see possible percentages of genes of the offspring
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Which correctly lists three properties that are used to identify minerals? luster, weight, streak magnetism, size, weight size,
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Answer:

luster, streak, hardness, cleavage, fracture, and crystal form are the most useful physical properties for identifying most minerals. Other properties-such as reaction with acid, magnetism, specific gravity, tenacity, taste, odor, feel, and presence of striations-are helpful in identifying certain minerals.

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Who is responsible for an area of the prison, such as recreation or the shu?
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"L<span>ieutenants" </span>responsible for an area of the prison, such as recreation or the shu.

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6 0
2 years ago
Make a table summarising the main components of tobacco smoke and their effects on the human body.​
Delicious77 [7]

Answer: Some of the components in tobacco smoke include:

Nicotine (the addictive drug that produces the effects in the brain that people are looking for)

Hydrogen cyanide.

Formaldehyde.

Lead.

Arsenic.

Ammonia.

Radioactive elements, such as polonium-210

Benzene.

Explanation: Highly damaging components of tobacco smoke include:

tar – is the word for the solid particles suspended in tobacco smoke. The particles contain chemicals, including cancer-causing substances (carcinogens). Tar is sticky and brown, and stains teeth, fingernails and lung tissue

carbon monoxide – is a poisonous gas. It is odourless and colourless and, in large doses, quickly causes death because it takes the place of oxygen in the blood. In people who smoke, the carbon monoxide in their blood makes it harder for oxygen to get to their organs and muscles

oxidizing chemicals – are highly reactive chemicals that can damage the heart muscles and blood vessels of people who smoke. They react with cholesterol, leading to the build-up of fatty material on artery walls. Their actions lead to heart disease, stroke and blood vessel disease

metals – tobacco smoke contains several metals that cause cancer, including arsenic, beryllium, cadmium, chromium, cobalt, lead and nickel

radioactive compounds – tobacco smoke contains radioactive compounds that are known to be carcinogenic.

The effects of tobacco smoke on the body include:

raised blood pressure and heart rate

constriction (tightening) of blood vessels in the skin, resulting in a drop in skin temperature

less oxygen carried by the blood during exercise

‘stickier’ blood, which is more prone to clotting

damage to the lining of the arteries, which is thought to be a contributing factor to atherosclerosis (the build-up of fatty deposits on the artery walls)

reduced blood flow to extremities (fingers and toes)

increased risk of stroke and heart attack due to blockages of the blood supply.

3 0
2 years ago
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Natali [406]

Answer:

Option-A

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When the fertilization occurs inside the organism through insemination then it is known as the internal fertilization and when it occurs outside the organism like observed in the amphibians when male and female gametes fuse in the water is known as external fertilization.

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Thus, Option-A is correct.

6 0
3 years ago
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