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Anettt [7]
4 years ago
11

Oocasionally, DNA evidence is thrown out of court due to the sample being contaminated.

Biology
1 answer:
Nat2105 [25]4 years ago
7 0

Answer: sneezing or coughing over the evidence, direct sunlight on transport an storage

Explanation:

DNA evidence is contaminated when DNA from an outside source (exogenous DNA) gets mixed with DNA relevant to the case. It can happen in a variety of ways, from someone sneezing or coughing over the evidence,

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Help, please!! Please!!
kvasek [131]

Answer:

Red light is bouncing off the lady bug.

Explanation:

7 0
3 years ago
On the stenotype machine, how does the crazy code turn into English words and phrases?​
evablogger [386]

Answer:

These stenotype machines work by typing in syllables rather than letters. ... By pressing three keys at once (called a “chord”), they can make the syllable “cal”, then “en” and “dar”. In the time it takes us to type three individual letters, a stenographer can type an entire word with the help of a stenotype machine.

Explanation:

8 0
3 years ago
Consider the cross Aa BB Cc dd X Aa bb cc Dd. Assume that the four allelic pairs assort independently. (a) How many different ty
Ksivusya [100]

Answer:

The parent with the genotype Aa BB Cc dd can produce 4 different types of gametes.

Explanation:

<em>The law of independent assortment states that the alleles for a trait separate when gametes are formed. </em>

In the parent genotype Aa BB Cc dd, the allelic pairs with variation present are Aa and Cc. Therefore, the source of variation in the possible combinations  during meiosis, largely arises from these 2 allelic pairs.

Independently assorting these pairs, we have ; A, a, B, B, C, c, d, d

The possible combinations therefore are:

  • ABCd
  • ABcd
  • aBCd
  • aBcd
3 0
3 years ago
Tobacco products have been identified as mutagens. However, some tobacco users develop cancer and some do not. The reason for th
Monica [59]

Answer:

The correct statement is that some of the individuals are more predisposed to developing cancer when exposed to mutagens.

Explanation:

A single change or alternation or multiple variations within the genome of the living species is termed as a mutation, and the agent, which results in mutation is known as a mutagen. The products of tobacco are considered as mutagens. It is witnessed that some of the individuals who smoke develop cancer, while some do not. It is generally because some of the individuals are more predisposed to developing cancer when getting exposed to mutagens.  

When an individual is more likely to develop cancer in his or her entire life because of certain genetic and other factors is termed as cancer predisposition. A genetic susceptibility also known as a genetic predisposition can be illustrated as the likelihood of developing a specific disease based on the individual's genetic makeup.  

The individuals who develop cancer generally have family members who exhibited certain kinds of cancer and thus they have greater chances of getting the disease too. This is the reason that the predisposed individuals to cancer have a greater chance of developing cancer when they encounter mutagens and this is the prime reason to illustrate the fact that some of the users develop cancer, while others do not.

4 0
3 years ago
Read 2 more answers
Which is true regarding homologous chromosomes?
inessss [21]
Hi! 

Homologous chromosomes are found in any normal/basic diploid cell and a homologous pair of chromosomes will be identical genetic copies of each other.
Being that both of these answer choices appear to be correct, the answer would be letter choice (E) two of the above are true?

Hope I could help!
- Peaculiar 


5 0
4 years ago
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