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2 years ago

Cystic fibrosis is a recessive gene disorder. The pedigree chart for a family known to have cystic fibrosis is shown below.

Biology

1 answer:

aleksley [76]2 years ago

5 0

Answer:

When half of the shape is black it means the person is a carrier. When the whole shape is black this means the person has the disorder.

d.100%

Hope this helps

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What descirbes the relationship between the structure and function in an organism

sertanlavr [38]

Answer:

Explanation:

Function and structure are related, because of a certain structure a living thing make contain makes the object function the way it does. ... The relationship of a structure and function is the structuring levels from molecules to organism ensure successful functioning in all living organism and living system.

6 0

3 years ago

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Explain why an ecological pyramid is smaller at the top then the bottom

pentagon [3]

The ecological pyramid is smaller at the top due to the lower amount of species to fit into the category (diversity is decreased, and the higher, the more suppressed the energy is in the animals/species).

3 0

3 years ago

Ent var

jok3333 [9.3K]

Answer: Oxygen

Explanation:I hope it helps . i have breifly explained it .

Oxygen gas is one of the products of photosynthesis.

Which reactant is the source for oxygen gas and how is it released?

A .

Water, released when sunlight splits it into oxygen and hydrogen ions

B .

Glucose, released when glucose is broken down into carbon dioxide gas, oxygen gas and water

C .

Carbon dioxide, released when sunlight splits it into carbon and oxygen gas

D .

Electrons, released when they strike the chloroplasts

Green plants capture energy and convert it into chemical energy by the process known as photosynthesis. During photosynthesis, carbon dioxide and water are transformed into simple carbohydrates and oxygen is liberated into the atmosphere.

light

6CO2 + 12H2O ----------------> C6H12O6 + 6O2

chlorophyll

Water is also used as a source of hydrogen required for reduction of carbon dioxide to form carbohydrate.

Water is oxidised in presence of light and chlorophyll. Hydrogen is removed from water and oxygen is released as follows:

light

4‎H20 ---------------> 2‎H20 + 4H+ + 4e− + O2

chlorophyll

or,

2‎H2O ----------------> 4H+ + 4e− + O2

Hence the source for oxygen gas is water and it is released when water splits in the presence of sunlight into oxygen and hydrogen ions.

So, the correct answer is 'Water, released when sunlight splits it into oxygen and hydrogen ions'.

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4 years ago

Denise was measuring the effect of temperature on the amount of dissolved oxygen that water can hold. She hypothesized that as w

Elina [12.6K]

Her hypothesis is wrong. Increased temperature causes an increase in kinetic energy. The higher kinetic energy causes more motion in the gas molecules which break intermolecular bonds and escape from solution. Check out the graph below: As the temperature increases, the solubilityof a gas decreases

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3 years ago

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What's one function of the male reproductive system

Anastasy [175]

The purpose of the organs of the male reproductive systemis to perform the following functions To produce, maintain, and transport sperm and protective fluid (semen) To discharge sperm within the female reproductive tract during sex

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3 years ago

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