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Komok [63]
3 years ago
10

Sickle cell anemia (SCA) is a human genetic disorder known to be caused by a recessive allele. A couple plans to marry and wants

to know the probability that they will have an affected child.
In the following scenarios, use your knowledge of Mendelian inheritance to give the families the probabilities of having a child with SCA.
The man and woman do not have SCA. However, each has one parent with the disorder.
The man is affected by the disorder.
The woman has no family history of SCA.
Biology
1 answer:
Bumek [7]3 years ago
7 0

Answer:

  1. 25% probability of the child to be affected.  
  2. 0% chances to be affected.  

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files  

Download pdf
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type ii restriction enzymes, such as ecori, that make staggered cuts within its recognition sequence, are considered more effect
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Type II restriction enzymes, such as Ecor I, that make staggered cuts within its recognition sequence, are considered more effective in biotechnology because they result in cohesive or sticky ends.

<h3>What is Ecor I and why are sticky ends important?</h3>

Ecor I is a kind of restriction enzyme which is obtained from Escherichia coli. The palindromic sequence recognized by this enzyme is 5' - GAATTC - 3'. It makes the following cuts between G and A on both the strands of the DNA to form sticky ends:

5' - G↓AATTC - 3'

3' - CTTAA↑G - 5'

Sticky ends are a fragment of DNA which is produced through a staggered cut, by the use of restriction enzyme. In this the terminal portion stretches with unpaired nucleotides. These kind of ends are easy to ligate when rDNA needs to be formed.

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5 0
2 years ago
Of all the ways that Renaissance society was hierarchically divided, what was regarded as the most "natural" distinction and the
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Answer:

Gender

Explanation:

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  • This period was a hierarchal age and the place of a person in the society was determined by the class that he/she was born into it.
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La aparición de los animales representó un paso evolutivo clave en la historia de la vida. El desarrollo embrionario y todas las funciones que requiere la vida multicelular se hallan conservados en todos los animales, desde las esponjas a los humanos.

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Explanation:

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