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ki77a [65]
2 years ago
14

Which option identifies ways that people positively affect Earth's resources?

Biology
2 answers:
Maurinko [17]2 years ago
8 0
I believe it’s c or d I’m not sure
Tanya [424]2 years ago
8 0

Answer:

ANSWER IS C

Explanation:

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Describe an experiment you could perform to determine whether the pink flowers of a petunia plant result from incomplete dominan
RUDIKE [14]

Incomplete dominance is an exception to Mendelian principles of genetics. The pink flowers of a petunia plant result from incomplete dominance and this has been experimentally determined.

The crossing between petunia plants shows an exception to Mendel’s principles. As a result of crossing the first generation homozygous petunia plants, some alleles of the first cross generation of the petunia flowers were in between the two dominant alleles which meant they were neither dominant nor recessive to the characteristics.

The F1 generation produced by a crossing the red-flowered (RR) plants and the white-flowered (WW) petunia plants consisted of pink-coloured flowers (RW) as the first progeny. Neither of the allele was dominant here. The cases where one allele does not completely dominate another are known as incomplete dominance. The heterozygous phenotype is supposed to occur between the two homozygous phenotypes in incomplete dominance. Phenotype refers to the colour here and genotype is a representation of alleles.

The representation of the genotypes is as follows:

White coloured dominant parent petunia plant: WW

Red coloured dominant parent petunia plant: RR

The colours white and red are the phenotypes and WW or RR is the genotype of parental alleles.

When the red and white flowered petunia plants were true breaded which means the red and white flowered petunia plants had red and white colour as their dominant characteristic and they were homozygous.

The result that was seen of this true breeding was heterozygous pink flowered petunia plants in the F1 generation. The pink colour phenotype of the flowers was an intermediate between the two dominant red and white coloured petunia flowers. This meant that the allele for the red flowers were incompletely dominant over the white flowers giving rise to pink flowers.

The genotype of the pink coloured petunia flowers as well as the corresponding phenotype can be represented by the Punnet squares.

5 0
3 years ago
Breaking down glucose to provide energy in the form of atp for metabolic processes is called?
Debora [2.8K]
Catabolism (a form of metabolism in which cells are breaking down larger units into smaller units).

Another answer is cellular respiration
3 0
2 years ago
Read 2 more answers
All eukaryotic cells have a mitochondria, but only plants and some photosynthetic protists have chloroplasts. Which of the follo
disa [49]

Answer:

B

Explanation:

<u>The correct statement to be inferred from the information would be that all eukaryotic cells need to produce energy</u>.

<em>The mitochondrion is an organelle that is referred to as the powerhouse of the cell. It is the site of oxidative phosphorylation where the energy for the cell's metabolic processes is generated. Hence, if all eukaryotic cells have mitochondrion, it means that they all need to produce energy for their metabolic activities.</em>

The correct option is B.

4 0
2 years ago
What is the effect of light bulb color on the number of moths attracted to the light bulb?
PolarNik [594]
The effect is that the wires inside the  system of the light bulb will easily break and cause the light bulb to bust  
7 0
3 years ago
How does the skeletal system interact with the nervous system?
Mice21 [21]

Answer:

The skeletal muscles connect to the bones and work with connective tissue at the joints to allow for movement. The muscles connect to the nervous system and allow initiation of movement through nerve signals to and from the brain. The bones and muscles are supported by connective tissue, which plays an integral role in structural support.

7 0
2 years ago
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