Which model can be used to trace genetic inheritance

Answers

Answer 1

Answer: To tract genetic inheritance ( phenotype or genotype) from one generation to another generation, PEDIGREE CHART is used. Pedigree Chart is a diagram shows the occurrence and appearance of a particular genes of an individual organism from its ancestor down to the generations it follows. Relationship in a pedigree is shown as a series of linear graph. Parents are connected to a horizontal lines while vertical lines will lead to the offspring.

Related Questions

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A chemical change involves the formation or the breaking of bonds. true or false

Select all that apply. Marie and Pierre Curie's discoveries included: X-rays uranium radium pitchblende polonium

Answers

Marie and Pierre Curie's discoveries included: Polonium and Radium. Marie Curie's death involved her long-term exposure to radiation. I hope this answer helps you on your assignment.

Answer;

Radium
Polonium

Explanation;

Pierre and Marie are known for their work in the study of radioactivity that led to the discoveries of new radioactive elements radium and polonium.

Radium element was named after the Latin word ray and Polonium was named after Marie's home country, Poland.
Element radium was discovered in the form of radium chloride, that was extracted from uraninite.

Describe the difference between chronic and acute exposure.

Answers

"Radiation exposure might be short-term or long-lasting. First, think of a medical x-ray exposure where the time of exposure is short—the machine is on and off within a very short period of time. Or think about radioactive materials that naturally occur in our soils; they present us with small amounts of radiation exposure that occur over our lifetime. Depending on the source, time of an exposure can vary—in some cases, the time will be very short, seconds or less, and in other cases it will be occurring continuously over our lifetime. Keep in mind that being exposed to radiation in a short period of time or over a long period of time is no indication of the total radiation dose and, thus, the possible health effects that may occur."

Answer: chronic is long term and severe while acute lasts for a short amount of time.

Periodicity is best defined as: the fact that elements increase in atomic mass in a regular way. the repeating nature of physical and chemical properties with increasing atomic number. the regular growth of atomic size with atomic mass. the consistent decrease of nuclear charge with atomic mass. the repeating nature of atomic nuclear structure.

Answers

Answer:

Periodicity is best defined as:the repeating nature of physical and chemical properties with increasing atomic number.

Explanation:

The elements present in nature or discovered so far are arranged in the form of a table known as periodic table. This creation of table was started with previous scientists like

i) Dobereiner's law of triads: according to it the atomic mass of middle element is average of atomic mass of side elements.

ii) Newland's law of octave: the properties of elements are repeated after seven elements.

iii) Mendleev's periodic table: it was a regular arrangement of by then discovered elements based on their atomic mass.

Now

We have periodic table known as long form or modern periodic table. This table is based on atomic number. According to it , there is periodicity in the physical and chemical properties of elements if they are arranged in certain groups and periods based on their atomic number.

the repeating nature of physical and chemical properties with increasing atomic number. i believe this is the right answer.

In a compound, chemical energy is contained in thea. nuclei of the atoms.
b. unbonded electrons.
c. bonds.
d. movement of the electrons.

Answers

The answer is C. bonds. Because chemical energy in compounds is stored in bonds between the molecules involved.

Further Explanation

Energy is the ability to do work, where work is the movement of objects by force. We use energy every day, and energy comes in different forms. Chemical energy is energy stored in chemicals, such as sugar and gasoline.

Chemical energy is energy stored in chemical compounds in the form of bonds between one atom with another atom. Chemical energy is an energy produced in a chemical process. The amount of energy produced depends on the type and amount of reagents in a chemical reaction. Devices that can produce energy from chemical reactions such as batteries and batteries.

Chemical Energy Sources

chemical allergens are stored in molecular bonds and when these bonds break, heat is released or absorbed. These molecules are part of chemical compounds or fuels such as coal, oil, biomass, wood, animal waste, natural gas, food, etc. and they are all sources of chemical energy that generates heat usually through combustion. Chemical energy sources can be classified into two types, depending on whether they are naturally or artificially prepared and depending on their natural state (solid, liquid, or gas):

Solid Fuel: wood, coal, lignite, etc.
Liquid fuels: gasoline, diesel, alcohol, kerosene, etc.
Gas Fuel: natural gas (coal gas, water gas, biogas)

All of these fuels contain hydrocarbons - organic compounds containing carbon and hydrogen - various molecular weights. These hydrocarbons may be alkanes (methane, ethane, propane, etc.), alkenes (ethene, propane, etc.), cycloalkanes, aromatic hydrocarbons, and heterocyclic compounds.

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Grade: High School

Subject: Chemistry

keywords: Chemical energy

Which 1-mole sample has the least entropy?(1) Br2(s) at 266 K (3) Br2(l) at 332 K
(2) Br2(l) at 266 K (4) Br2(g) at 332 K

Answers

The correct answer is option 1. Entropy is the degree of disorderliness in a system. Among the phases, solid has the most ordered structure. Also, at lower temperatures the molecules will have less kinetic energy therefore less motion. Thus, bromine in solid form at 266K has the least entropy.

What is a chemically active atom?

Answers

Is a stability relative to the elements surrounding it on the periodic table

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