The general term for small photosynthetic organisms found near the surface of the coean is

1 answer:

7 0

Answer:
Phytoplanktons are photosythetic organisms found near ocean surface and provide food to a wide variety of sea creatures like whale, shrimp, jelly fish etc. They also rely on nutrients such ad nitrates, phosphate for their development. They maintain a balance ecosystem and food web in ocean.

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Zebrafish (Danio rerio) is an important model organism in the field of genetics. One of the first mutant genes to be studied in

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Answer:

Explanation:

Let the wild type trait, the silver-white, be represented by A allele and the mutant trait, the golden color, be represented by a allele.

Heterozygous wild-type male fish would be Aa

Golden female fish would be aa

Aa x aa

Aa Aa aa aa

2/4 Aa = silver-white

2/4 aa = golden color

Hence, the percent likelihood of golden offspring is 2/4 or 50%.

The correct option is b.

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if there are 500 people in a population, and 150 are homozygous HbA/hba, 150 are homozygous hbs/hbs, and 200 are heterozygous hb

sineoko [7]

Answer:

$0.547$

Explanation:

Given -

Total Population - $500$

Individuals with homozygous HbA/hbA genotype - $150$

Individuals with homozygous hbs/hbs genotype - $150$

Individuals with heterozygous hba/hbs genotype - $200$

Let us assume the given population is in Hardy Weinberg' equilibrium

The frequency of individuals in the given population with homozygous HbA/hba genotype is equal to number of individuals with homozygous HbA/hba genotype divided by total population.

$\frac{150}{500} \\= 0.3$