BIOLOGY MIDDLE SCHOOL

What are two different forms of a single gene called? A.
traits

B.
factors

C.
alleles <<<

D.
chromosomes

I think C

Answers

Answer 1
Answer: Alleles are two different forms of single gene that are located in specific position on a specific chromosome. It can be classified into two allele pairs: homozygous and heterozygous. In homozygous, both alleles are the same whether they are both dominant or recessive; while in heterozygous, one allele is dominant and the other is recessive.
Answer 2
Answer:

it is C I did the test so its right. plz make me brainliest

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Which organelle is like the brain of the cell

Answers

Answer: Nucleus

Explanation:

The nucleus is referred as the brain of the cell because it contains the genetic information necessary to carry out cellular functions.

Inside the nucleus, there is the genetic material called chromosomes, made of DNA that carry the necessary instructions to direct cell activities. Because, DNA carries information necessary for the synthesis of proteins that form tissues and perform various biological functions.  The functions of proteins are to maintain their integrity, defend themselves against external agents, repair damage, control and regulate functions, and others.

Practically, proteins are in charge of almost everything in the organism. And since they are made according to the information encoded in the genetic material inside the nucleus, this organelle is called the brain of the cell.

The nucleus is referred as the brain of the cell because it contains the genetic information necessary to carry out cellular functions.Thus, the answer is nucleus.

Inside the nucleus, there is the genetic material called chromosomes, made of DNA that carry the necessary instructions to direct cell activities. Because, DNA carries information necessary for the synthesis of proteins that form tissues and perform various biological functions.  The functions of proteins are to maintain their integrity, defend themselves against external agents, repair damage, control and regulate functions, and others.

Practically, proteins are in charge of almost everything in the organism. And since they are made according to the information encoded in the genetic material inside the nucleus, this organelle is called the brain of the cell.

Thus, the organelle which is like brain of the cell is nucleus.

Learn more about nucleus,here:

brainly.com/question/11254391

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Transgenic organisms can express the foreign genes because all organisms are based on the same

Answers

Answer:

genetic engineering is possible because all organisms are based on the same. genetic code. scientists can study the effect of turning off a gene by using. gene knockout ... a ring of bacterial dna with foreign DNA inserted ... transgenic organisms can express the foreign genes because all organisms are bases on the same.

Explanation:

In an area in which electricity costs 8 cents/kilowatt-hour, a 5 kW clothes dryer runs for 90 minutes to dry a load of laundry. How much did it cost to dry these clothes?A. $0.20
B. $0.30
C. $0.45
D. $0.60

Answers

D $0.60 because (5kW)x(90/60hours)x(8cents/kWh) = $0.60 --> D

Answer:

D

Explanation:

What will happen if the released butterflies were unable to fly south?

Answers

The weather would get too cold and they would die.
Butterflies mainly fly to migrate. If they do not migrate, they may not get adapted to conditions in their initial place and they may die.

Bald eagles are predators that eat small prey. What characteristics or traits of the bald eagle lead to this conclusion?

Answers

well first of all they are "meat eaters", and they try to get their prey no matter what

What is the first land mammal shown to reach the African wet lands

 

Answers

The first appearance of land animals occurred in the late Triassic period. So it could of been many things. It would of been early dinosaurs and the first Primitive mammals.
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