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diamong [38]
3 years ago
8

Many genetic disorders can be detected before birth. Procedures include _____, which is noninvasive, or _____, which allows the

chromosomes of the fetus to be examined. Alternatively, maternal blood samples can be taken and tested for _____.
Biology
1 answer:
ch4aika [34]3 years ago
4 0

Answer:

Sequential or integrated screening

Cell-free fetal DNA testing

Proteins in your blood that can mean your baby has a higher risk of birth defects

Explanation:

Sequential or integrated screening

Sequential screening is a test that uses a mix of ultrasound and blood tests to look birth defects at 10 and 13 weeks of pregnancy.

Integrated screening is similar and is done at around 12 weeks and is slightly more accurate

Cell-free fetal DNA testing is testing the baby's DNA that ends up in the mothers blood for signs of birth defects

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“PKU” is an inherited disease caused by a recessive allele. If a woman and a man are both carriers, where P is the normal allele
user100 [1]

Answer:

Option A, 1/64

Explanation:

The genotype of a carrier female would be Pp

The genotype of a carrier male would be Pp

When these two adults are crossed , the following offspring are produced

Pp x Pp

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Thus out of four children 3 children have normal phenotype but two are carrier.

So probability of having one normal  child (with genotype PP) is \frac{1}{4}

So the probability of  three normal children is

\frac{1}{4} *\frac{1}{4} *\frac{1}{4} \\= \frac{1}{64}

Hence, option A is correct

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Answer:

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Explanation:

6 0
2 years ago
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How to write a letter to your friend inviting her to your birthday in French​
horrorfan [7]
By using google translate cause you can write it down on a piece of paper and give it to her
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