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hoa [83]
3 years ago
5

ONLY ANSWER IF YOURE SURE

Biology
2 answers:
OleMash [197]3 years ago
8 0
The answer is 100%. Three are observable, but the fourth is just a carrier.
olga2289 [7]3 years ago
5 0

Answer: <em>D.</em> <em>100%.</em>

Explanation:

<em>Cystic Fibrosis</em> is an <u>Autosomic Recessive Disorder</u>. The family pedigree chart shows that the Mother is a Carrier (<u><em>Aa</em></u>) and the Father has the disease (<u><em>aa</em></u>).

The offspring of both parents is affected by 100%.

75% have the disease (2 female, 1 male)

25% are carriers (1 male)

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Read 2 more answers
A trihybrid cross is a cross between two individuals who are heterozygous for three genes. For example: AaBbCc x AaBbCc. Assumin
Mariulka [41]

Answer:

27:9:9:9:3:3:3:1

Explanation:

The gametes of the parental genotypes would be  

ABC, ABc, AbC, aBC, Abc, aBc, abC, abc

The cross between AaBbCc and AaBbCc will result into following offspring  (image is also attached)

        ABC        ABc           AbC   aBC         Abc     aBc abC abc

ABC AABBCC       AABBCc AABbCC   AaBBCC AABbCc AaBBCc AaBbCC AaBbCc

ABc AABBCc AABBcc AABbCc AaBBCc AaBbcc AaBBcc AaBbCc AaBbcc

AbC AABbCC AABbCc AAbbCC AaBbCC AAbbCc AaBbCc AabbCC AabbCc

aBC AaBBCC AaBBCc AaBbCC aaBBCC AaBbCc aaBBCc aaBbCC aaBbCc

Abc AABbCc AABbcc AAbbCc AaBbCc AAbbcc AaBbcc AabbCc Aabbcc

aBc AaBBCc AaBBcc AaBbCc aaBBCc AaBbcc aaBBcc aaBbCc aaBbcc

abC AaBbCC AaBbCc AabbCC aaBbCC AabbCc aaBbCc aabbCC aabbCc

abc AaBbCc AaBbcc AabbCc aaBbCc Aabbcc aaBbcc aabbCc aabbcc

The genotype ratio is 27:9:9:9:3:3:3:1

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3 years ago
Can a adult red blood stem cell easily differentiate to become a nerve cell?
Irina-Kira [14]

Answer:

Neural stem cells are normally found within the brain and spinal cord. NSCs are specialized stem cells that can differentiate into the cell types of the central nervous system, including neurons and glial cells

Explanation:

3 0
3 years ago
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