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8090 [49]
3 years ago
11

How did Mendel make crosses with his plants?A., He planted the seeds of each type together, and they grew into a single plant. B

., He cut the peas in half and combined them to grow a single plant. C., He grew plants from seeds and fertilized the ovules of one plant with the pollen from another.D., He allowed the pea plants to intertwine during growth to allow fertilization.
Biology
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

The correct answer will be option-C.

Explanation:

Gregor Mendel is known for his experiments performed on the pea plants on the basis of which he was able to predict the principles of inheritance. He used seven different characters to understand the inheritance pattern of the traits in generations.

He performed monohybrid (single) and dihybrid (two) crosses by growing the plants from the seeds and performing cross-fertilization and self-fertilization. He performed self- fertilization by emasculation and cross-fertilization by shedding the pollen of another plant over ovules of another plant.

Thus, Option-C is the correct answer.

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Why is it important for an organism to have high fitness (the ability to survive and make a lot of offspring)?
mina [271]

Answer:

An organism with high fitness has adaptations that are well suited to their environment allowing them survive and reproduce. An organism with low fitness has characteristics that are not well suited to their environment meaning they almost certainly die without reproducing.

Explanation:

6 0
2 years ago
Which genetically modified organism will best prevent farmers from losing their crops during transport to grocery stores?
Minchanka [31]

Answer:

oranges that have a prolonged shelf life

Explanation:

The genetically modified organism have higher shelf life which helps the farmers to transport the products from one place to another without causing damage to it. The local varieties of fruits have low shelf life due to which farmers receives great losses while transporting it to far places or markets as compared to genetically modified varieties of fruits that have higher shelf life which prevent loses to the farmers during transportation.

7 0
4 years ago
How is sex determined in organisms like humans?
viktelen [127]

Answer:

"The combination of sex chromosomes received from parents " .

Explanation:

Sex determination : The process by which sex of a child is determined .

Parental generation :

Mother         Father

XX                   XY (sex chromosomes )

X,X                   X,Y  (gametes )

First filial generation :

       X        Y

X    XX       XY

X     XX       XY

If XX is formed then it is girl and if XY is formed then it is boy .

Conclusion :

  • we concluded that there is 50-50 percent chance of boy or a girl .
  • Sex of a child is determined by father because father produce different gametes .
5 0
3 years ago
What is the correct pathway of information from DNA to phenotype?
gayaneshka [121]

Answer:

DNA -> mRNA -> Protein -> Amino Acid -> Phenotype

Explanation:

3 0
3 years ago
In a typical plant, when are stoma generally open?
Archy [21]

Answer:

In many plants, stomata remain open during the day and closed at night. Stomata are open during the day because this is when photosynthesis typically occurs. Hope this helps. : )

Explanation:

6 0
3 years ago
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