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stich3 [128]
3 years ago
5

What are the characteristics of the subatomic particle whose mass is 1/1840 of the mass of hydrogen (H)?

Biology
1 answer:
BartSMP [9]3 years ago
3 0
They are positively and negatively charged
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Why can algae and cyanobacteria be considered indicators of productivity as well as of pollution
Gelneren [198K]

Algae and Cyanobacteria could mean life is flourishing and is a good food source for some fish in moderation- but if there's a lot of fertilizer runoff, they can grow too quickly and be counterproductive for the environment

6 0
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Blue flower is dominant to yellow flower. Tall plant is dominant to short. Cross BbTt * BbTt. What precenetage of the offsprings
shtirl [24]

Answer:

The correct answer would be - 25%.

Explanation:

It is given that the Blue flower is dominant over the yellow flower which means Blue is represented by allele B here and allele b for yellow and Bb is a heterozygous case with a blue phenotypic character. Similarly, the Tall plant is dominant over short and represented by T and t respectively.

BbTt is a heterozygous condition and a cross with itself will produce :

Gametes: BT Bt bT and bt

          BT       Bt       bT       bt

BT     BBTT   BBTt   BbTT   BbTt

Bt      BBTt    BBtt    BbTt   Bbtt

bT     BbTT   BbTt    bbTT   bbTt

bt      BbTt     Bbtt    bbTt     bbtt

Here 4 out of 16 offspring are heterozygous for both traits represented by bold alphabets. Therefore the correct answer is 25%

8 0
3 years ago
5. In humans, normal skin pigmentation is due to a dominant allele (A), while the recessive allele (a) causes albinism (lack of
MrRa [10]

Answer:

There are 2 possible punnett squares. In the case Kendal is a carrier, cross Aa with aa for Kent. In the case Kendal is not a carrier, cross AA with aa.

7 0
3 years ago
Which kingdom(s) include both unicellular and multicellular organisms
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The kingdoms that include both unicellular & multicellular are protist & fungi
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julsineya [31]

Answer:

C

Explanation:

I would say C because it HAS to have valid data. Which is a limitation especially if you can't get that data.

5 0
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