BIOLOGY MIDDLE SCHOOL

What is the different forms a gene may have for a trait are called?

Answers

Answer 1
Answer: The different forms a gene may have for a trait are called alleles. Blood type is an example of alleles. They determine the hereditary characteristics an offspring gains from their parents.
Answer 2
Answer:

Final answer:

The different forms a gene may have for a trait are called alleles. These are variations of a gene present on homologous chromosomes. A trait in an individual is determined by the two alleles inherited from their parents.

Explanation:

The different forms a gene may have for a trait are called alleles. These are variations of a gene that occur at the same relative locations on homologous chromosomes. For example, in a diploid organism where a single gene controls a characteristic, there can be two genetic copies, or alleles, that may or may not encode the same version of that characteristic.

A slight change in the sequence of nucleotides within a gene can result in different alleles that code for different traits. For instance, the different alleles for the gene that determines blood type in humans are sequence A, sequence B, and sequence O. The blood type is a trait determined by the two alleles that are inherited from the parents.

It's important to note that while an individual can only have two alleles for a given gene, it's common in a natural population to encounter more than two alleles for any given gene, a phenomenon referred to as multiple alleles.

Learn more about alleles here:

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Why are two recessive alleles needed for a recessive trait to be shown?

Answers

Because everytime the dominant one appears, it wins over the recessive, thats why the name is dominant. So the only way to one recessive caracteristic appear is if there are 2 recessive alleles because ir wont be Able to one dominant show himself

The job of a -------- is to store water and other materials /
??

Answers

Hey there i see you need help well i am here to do just that you see if your asking in a cell the vacuole stores water and other materials 

Which of the following eventually resulted in Niagara Falls love canal neighborhood been declared a federal emergency in 1978? A) Oil drilling in the area had destroyed its ecosystem
B). A neighborhood there had been built over a toxic dump
C) A large amount of iron zinc and lead mine he had poison the water supply
D) they had been an accident at a nearby nuclear power plant

Answers

The correct answer is option B, that is, a neighborhood there had been built over a toxic dump.  

In 1978, Love Canal, situated close to the Niagara Falls in the upstate New York, was a nice small working-class enclave with many houses and a school. It just occurred to have been sitting at the top of 21000 tons of toxic industrial waste, which had been buried underground in the 1940s and 50s by a local company.  

The families living in the chemicals were not familiar that they were being encountered with poisonous chemicals, nor were they aware of the chemical wastes being dumped into the soil, rivers, and air. The toxic wastes influenced the lives and damaged the environment.  

Answer:  

The correct answer is option B.

Explanation:

Love canal is located near the Niagara Falls in the year 1978. It is sitting over the 21000 tons of toxic industrial waste, that has on the whole buried underground in the year 1940s by the support of some local company side.

Why are ​ORGANELLES separated by their own membranes?!!!!!1

Answers

Most are membrane-bound structures that are the sites of specific types of biochemical reactions. The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA.
I hope this helps! :)

Veins _____. carry blood away from the heart produce red blood cells are only found in the heart usually carry deoxygenated blood

Answers

Answer: Usually carry deoxygenated blood.

I got this one right on my test o(^U^)o

Explanation:

Answer:

Carry blood to the heart

Explanation:

I need help with biology

Answers

cell nucleus chromosomes DNA and gene in that order... I think
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