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Bas_tet [7]
3 years ago
9

...................................

Biology
2 answers:
adelina 88 [10]3 years ago
6 0
..................................................
kati45 [8]3 years ago
6 0
Free points for me :P
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Hair pigmentation in mammals follows the generic enzymatic pathway depicted below. Enzyme A synthesizes a black pigment from a p
jenyasd209 [6]

Answer:

Given,

Colourless molecule is converted to black pigment by enzyme A. Black pigment is converted to agouti pigment by enzyme B.

Parent 1: AAbb = Black

Parent 2: aaBB = Colourless

AAbb X aaBB = AaBb (F1) The entire progeny is agouti coloured since dominant alleles for both the genes are present.

When AaBb X AaBb according to dihybrid cross in F2 :

A_B_  = 9 ( Agouti )

A_bb  = 3  ( Black )

aaB_  = 3  ( Colourless )

aabb   = 1 ( Colourless )

Hence genotypic ratio is 9 : 3 : 3 : 1

and phenotypic ratio is 9 (agouti) : 3 (black) : 4 (colourless)

4 0
3 years ago
What if plants AND humans needed photosynthesis to live?
hoa [83]

Answer:

Just 5% to 10% of the sunlight they receive gets converted into energy. So if humans are going to photosynthesize, we'd better get good at it. We would probably evolve to become a lot bigger to absorb enough light to feed and grow.

Hope this was helpful!❤

5 0
2 years ago
Read 2 more answers
Why are cells called the building blocks of an organism?
mrs_skeptik [129]

Answer:

They are called the building blocks of an organism because  all living things are made up of billions of cells that can reproduce, build and change that's why it is called the building blocks of all living things.

Explanation:

7 0
3 years ago
What can you conclude about the structure of mitochondria?
Papessa [141]
The correct answer is A.) however C.) is cellular respiration or the function of the mitochondria.  D.) is describing chloroplasts B.) is something concerning DNA and proteins synthesis
3 0
3 years ago
Anybody know any pros and cons about spaceX’s environment
Eduardwww [97]

Answer:

Pros

Great benefits package! Healthcare mostly free for employees and lower cost for families. Free coffee, sodas, and some snacks. Break rooms and new and nice!

Cons

Privately own company comes at a cost in the aerospace industry. Long hours and weekends are mandatory. There seems to be a hierarchy in which you must move through in order to succeed for promotions. Outside experience is not has important as inside experience.

6 0
3 years ago
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