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Mars2501 [29]
3 years ago
5

Which organisms fix nitrogen in the soil Omnivore Bacteria Plants Nodules

Biology
2 answers:
kati45 [8]3 years ago
8 0
The answer is Bacteria
Nitella [24]3 years ago
8 0

Answer:

bacteria

Explanation:

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A gene that affects hair length in dogs has two alleles. The allele for short hair (L) is dominant
Lelechka [254]

Answer:

This question lacks options, the options are:

A. Only recessive alleles are inherited from homozygous parents.

B. Dominant alleles grow weaker as they are passed from parents to offspring.

C. Only the parent with a dominant allele can pass that allele to offspring in sexual reproduction.

D. A heterozygous parent has an equal chance of passing either the dominant allele or the recessive allele to offspring.

The answer is D

Explanation:

This question involves a single gene coding for hair length in dogs. The allele for short hair (S) is dominant over the allele for long hair (s). This means that allele 'S' will always mask the phenotypic expression of allele 's' in a heterozygous state.

According to the question, two heterozygous dogs (Ss) were crossed to produce 6 shortt-haired offsprings and 2 long-haired offsprings. An heterozygous organism is that which contains two different alleles for a particular gene i.e. a combination of dominant and recessive alleles.

Based on this, during meiosis or gamete formation, an heterozygous dog (Ss) will produce gametes with the short hair allele (S) and long hair allele (s) in equal proportion i.e. 50-50. When the two gametes containing the recessive alleles (s) produced by each heterozygous parent fuses, an offspring with a recessive phenotype (long hair, ss) is produced.

Hence, a long-hair

phenotype can appear in the offspring of two short-haired dogs because a heterozygous parent has equal chance of passing either the dominant or recessive allele to the offspring.

6 0
3 years ago
Factors affecting photosynthesis Leaf covered with aluminium foil
RSB [31]

Answer:

This leaf will not undergo photosynthesis

Explanation:

Factors influencing photosynthesis are light,temperature, carbon dioxide and water and since the plant lacks light photosynthesis is inhibited

5 0
1 year ago
Why is studying climate change a scientific challenge? ( please be specific and<br> go into depth)
777dan777 [17]

Answer:

Climate change is already happening: temperatures are rising, drought and wildfires are starting to occur more frequently, rainfall patterns are shifting, glaciers and snow are melting and the global mean sea level is rising. These ever-changing trends mean that scientists have to be well acquainted with all this which requires a great deal of understanding and patience.

The political interests in research often limit the results and many a time misleading

Data for climate research is in many instances difficult to access, often at a price, and according to the source and type of data, the formats for retrieval can be very different. In addition, data may not be available for the same time and space scales. There is often an incompatibility between socio-economic and physical data, both necessary for climate modeling efforts because data collection is generally carried out by different agencies for different purposes. This means scientists have to analyze this data as useful and then research on it.

Explanation:

Pls vote my answer as brainliest

5 0
3 years ago
What type of equipment would be used to measureb26.0 ml of dilute hydrochloric acid
vovangra [49]
50 mL graduated cylinder
4 0
3 years ago
What’s the first stage of cellular respiration
sergiy2304 [10]

Answer:

glycolysis

Explanation:

Glycolysis uses glucose to create ATP within the cytoplasm of the cell.

8 0
3 years ago
Read 2 more answers
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