Phages and plasmids can be used to
clone recombinant DNA.
A bacteriophage is a virus that infects and
replicates within a bacterium. The term is derived from "bacteria"
and the Greek: φαγεῖν, "to devour"
<span>A </span>plasmid<span> <span>is a small DNA molecule within a cell that is
physically separated from a chromosomal DNA and can replicate independently.
They are most commonly found in bacteria as small circular, double-stranded DNA
molecules; however, </span></span>plasmids<span> are
sometimes present in archaea and eukaryotic organisms.</span>
The correct answer between all
the choices given is the first choice or letter A. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
Answer:
B. purebred
Explanation:
If you make a Punnett square, you can see that both recessive alleles are passed to the offspring, making it a purebred :)
Down syndrome and Alzheimer's disease.
Down syndrome is a chromosomal disorder which is caused by the presence of extra copy of chromosome 21. Therefore also called as Trisomy 21.
Alzheimer's disease is a most common form of dementia(reduction in brain functioning). It is caused by mutation in single gene APP (Amyloid Precursor Protein) present on chromosomer 21.
<u>Answer:</u>
The correct answer option is: frequency of the recessive allele.
<u>Explanation:</u>
When there are no mutations, no selective forces, no gene flow, no non-random mating and large population size, the population is said to be in Hardy- Weinberg equilibrium.
When Hardy-Weinberg equilibrium is met, it is written in the form of an equation which is as follows:
where 
represents the frequency of the homozygous dominant allele, 
is the frequency of the heterozygous allele while q or
represents the frequency of the homozygous recessive allele.
The metabolite called lactic acid causes the body, specifically the muscles to ache after performing exercises. During exercise, respiration takes place which converts glucose substituents to be converted into metabolites such as lactic acid.
