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Galina-37 [17]
3 years ago
7

I’ll give you brainliest pls this is due tmr!!

Biology
2 answers:
creativ13 [48]3 years ago
8 0
What the other person said
AleksandrR [38]3 years ago
4 0
The element is Manganese. Period I believe is boiling point and group is melting point.
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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
3 years ago
Human birth weights range very narrowly between 5.5 and 8.5 pounds. Babies much smaller than 5.5 lbs. suffer a higher mortality
Margarita [4]

Answer:

a.  Stabilizing selection

Explanation:

Babies lower than 5.5lbs would suffer from various disorder because of low birth weight as their body would not be able to compete as well they would have weak immune system and malnourishment. Whereas high birth weight carry the equally above risk as their body wont be able to cope up and organs become insensitive to various hormones. for the survival the birth weight should be within a median range so that it would be favorable for themselves and surroundings.

Stabilizing selection occurs when a population stabilizes on a particular trait value and genetic diversity decreases. As in this example, an average baby weight has to favour against extreme variation for it's better survival.

therefore, this is an example of stabilizing selection.

3 0
3 years ago
What are the six most common elements in all living things?
lilavasa [31]

Answer:carbon,hydrogen, nitrogen, oxygen, phosphorus, sulphur

Explanation:living things are characteristized by hierarchy in their organisation.macromolecules are made up of elements each with it's unique chemical bonds.

Within the cell, macromolecules are found in organelles ,which form the cells.the cells combines into tissues,which combines into organs .organs systems consists of similar functional organs.

living things commonly contains carbon, hydrogen, nitrogen,oxygen, phosphorus and sulphur.

(Mnemonic---CHNOPS)

8 0
3 years ago
Element<br> Compound <br> Mixture <br> Organic compound
Nadusha1986 [10]
ANSWER

Mixture

Explanation: the air is composed of nitrogen and oxygen
7 0
2 years ago
A person walks through the woods. A branch falls suddenly, almost hitting him, and his heart suddenly starts racing. What part o
liraira [26]
Pretty sure it would be the nerves attatched to the heart valve


7 0
3 years ago
Read 2 more answers
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