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agasfer [191]
2 years ago
7

Hey help me out!label A and B ​

Biology
1 answer:
miskamm [114]2 years ago
3 0

Answer:

A is the Umbilical cord.

B is the Amniotic fluid.

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In humans, blue eyes are caused by a recessive allele ("b") that dilutes pigment production. BB and Bb individuals have brown ey
saveliy_v [14]

Answer:

Probability that the son will be:

color-blind = 1/2

blue eyed = 1/8

blue eyed and color-blind = 1/16

Explanation:

Mother : BbXcX

Father : BbXY

Colorblindness is X linked recessive trait hence will be caused when the son has XcY genotype.

XcX   X    XY :

     Xc    X

X  XcX  XX

Y   XcY  XY

Half of the sons will have normal vision and other half will be colorblind hence, there is 1/2 probability that the son will be colorblind.

Eye color is autosomal trait and blue color will be produced when the child has bb genotype.

Bb     X    Bb  :

   B    b

B  BB  Bb

b  Bb   bb

1/4 of the children will have blue eyes. Since half of the children are expected to be males, 1/4 * 1/2 = 1/8 sons are expected to have blue eyes.

Probability of a son being blue eyed and color blind will be :

1/8 * 1/2 = 1/16

3 0
2 years ago
PLEAS HELP ME
jeka94

Answer:

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3 0
3 years ago
Read 2 more answers
What controls traits and inheritance?
Advocard [28]

The Mother and Father each give half of the chromosomes to the offspring, which will decide traits and inheritance.

Hope this helps!


3 0
3 years ago
Carbon dioxide in the atmosphere traps heat. scientists are concerned that too much carbon dioxide is being released into the ai
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Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement
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The tissue that lines the interior and exterior of the body is called
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