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schepotkina [342]
3 years ago
13

OPEN BOOK TEST-

Biology
1 answer:
docker41 [41]3 years ago
7 0
1. Aedes aegypti mosquito
2. Viruses
3. Monotropa uniflora
4. Smallpox , polio
5. Microtitre plates , etc
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A model of the cell cycle is shown here. Based on your knowledge of the cell cycle and the percentage of cells in each
denis23 [38]

Answer:A, C, D

Explanation:

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2 years ago
If two intermediate-colored chickens together produced 100 chicks, how many would you expect to be black?
sergiy2304 [10]

Answer: 25 of the chicks will be black

Explanation: Since the chickens are intermediate in colour, that is they are not black, they are heterozygous. Let B represent the allele for black colour and B represent the allele for blue colour, therefore the genotype of a chicken with an intermediate colour is Bb. A cross between two Bb chicken will produce 1 BB, 2 Bb and 1 bb chicks. 1 BB will manifest outwardly as black, 2Bb will manifest outwardly as intermediate colored while 1 bb will manifest outwardly as blue colored chicks.

Since one out of four chicks are black colored, if the two chicken produced 100 chicks, the number of chicks that will be black is 1/4 x 100 = 25. Therefore, 25 chicks out of 100 will be black.

See the attached punnet square for more information

7 0
3 years ago
D
Jobisdone [24]
False there. Is also mixed dementia
3 0
2 years ago
What are the two types of energy sources??
Vitek1552 [10]

Energy is the power we use for transportation, for heat and light in our homes and for the manufacture of all kinds of products. There are two sources of energy: renewable and nonrenewable energy.

<span>Nonrenewable Sources of Energy
</span>Most of the energy we use comes from fossil fuels, such as coal, natural gas and petroleum. Uranium is another nonrenewable source, but it is not a fossil fuel. Uranium is converted to a fuel and used in nuclear power plants. Once these natural resources are used up, they are gone forever.

Renewable Sources of Energy
Renewable sources of energy can be used over and over again. Renewable resources include solar energy, wind, geothermal energy, biomass and hydropower. They generate much less pollution, both in gathering and production, than nonrenewable sources.

Hope this helps xox :)
3 0
3 years ago
Read 2 more answers
Wha is contained in chromosomes
Iteru [2.4K]

Answer:

genes

Explanation:

chromosomes contain genes

5 0
2 years ago
Read 2 more answers
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