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Biology
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What is the difference between an allele and a gene?

A gene is a section of DNA coding for a specific protein. This protein will perform a certain function within the organism. You interit two forms of each gene, one from each parent. These are ...

YP
Answered by Yanina P. Biology tutor
5019 Views

What is a pathogen?

A pathogen is a microorganism that causes a disease. Pathogens spread communicable diseases meaning that they are transmitted person to person and are infectious.
Types of pathogens include bacteria,...

FD
Answered by Francesca D. Biology tutor
23641 Views

What are the functions of the cell membrane?

The cell membrane separates the intracellular and extracellular environments. The lipid bilayer only allows small polar molecules (such as O2 or CO2), small hydrophobic molecules (fatty acids, steroid hor...

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Answered by Francesca D. Biology tutor
8116 Views

How can bacteria become resistant to antibiotics and how can doctors reduce the number of bacteria that become resistant?

-A mutation in a pathogen may produce a new strain. This new strain may become resistant to an antibiotic through natural selection. The new strain ma...

HC
Answered by Helen C. Biology tutor
15685 Views

Using the Hardy Weinberg principle, calculate the frequency of the heterozygous genotype in the population if the frequency of the dominant allele p is 0.864. Express your answer as a percentage of the population.

p+ 2pq + q= 1.0

p + q = 1.0

1.0 - p = q 

1.0 - 0.864 = 0.136

q = 0.136

...
HC
Answered by Helen C. Biology tutor
8296 Views

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