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kipiarov [429]
3 years ago
9

A series of cell divisions that results in the formation of an embryo is called:

Biology
1 answer:
adelina 88 [10]3 years ago
3 0
A series of cell divisions that result in the formation of an embryo is called mitosis.
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When plants make flowers, gene A is expressedin whorls 1 and 2, gene B is expressed in whorls 2 and 3 and gene C in whorls 3 and
Sati [7]

Answer:

The correct answer would be option D) no gametes.

Explanation:

The ABC model of the flower was formulated to describe the collection of genetic procedures that determines floral organs in several plants. These species consist of four whorls which are sepals, petals, stamens, and carpels. These whorls are expressed by the expression of a number of genes present in each whorl or verticli.

Gene A is solely responsible for the sepals while the co-expression of A and B genes are responsible for the petals. The identity of the stamens is expressed by B and C and the carpels require C and D genes to be active.

The homozygousity for a normal mutation in gene C will lead to inactive or lack stamens and carpels, which are male and female reproductive organs. These are an important structure for forming gametes.

Thus, the correct answer would be option D) no gametes.

3 0
2 years ago
The above pictures show the interaction of pollinators (like insects, birds, and bats)
malfutka [58]

Answer:

The pollinators help spread the pollen of the flowering plants to help them reproduce. If the flowering plants blended into their surroundings, the pollinators would not be able to identify the flowering plants, and the plants would eventually die off or become extinct.

Explanation:

6 0
2 years ago
I’m 34 years old. My mother and father are citizens of Russia. I have been a permanent resident in the U.S. for 3 years
vovangra [49]

Answer:

That's pretty cool

Explanation:

6 0
2 years ago
Rio salado
Novay_Z [31]

The intensity of light had greater impact on the rate of photosynthesis. It was observed that the jar in which the intensity of light was high, large amount of oxygen was produced as compared to the jar in which the intensity of light was low.  

In the process of photosynthesis, oxygen is produced from the carbon dioxide. As the oxygen in the jar increases, the leaf disk rises with in the jar which also signifies the higher oxygen production with higher rate of photosynthesis in presence of high intensity of light.  

7 0
3 years ago
Help help help !!!!,
Alekssandra [29.7K]

Answer:

#1= d #2=c

Explanation:

Sorry If incorrect

8 0
2 years ago
Read 2 more answers
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