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anzhelika [568]
3 years ago
11

The atomic number of a element is determined by the number of

Biology
1 answer:
disa [49]3 years ago
6 0
Hey You!

The atomic number of an element is determined by the number of A. Protons in its nucleus.
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What is the similarities and deferences of young plants and older plats​
Alexandra [31]

The spelling

Explanation:

Similarities are they can still produce flowers or fruits and differences are old plants may be weak and shorter life span...

7 0
2 years ago
You have batch of pea plants with purple flowers that you grew by crossing plants that had purple flowers (PP) with plants that
nordsb [41]
If I have a batch of pea plants with purple flowers that I grew by crossing plants that had purple flowers (PP) with plants that had white flowers (pp), purple flowers (dominant) will be expressed in this batch of pea plants.
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3 years ago
If an adult dog has 78 chromosomes the number of chromosomes in a dogs sperm cell will be
Sergio039 [100]

39

Reproductive cells are haploid (have 1/2 the chromosomes), whereas somatic/body cells are diploid (have the full set of chromosomes)

This makes sense if you think about it. Using the example from the question, every dog has 78 chromosomes. This includes two of each (there are two chromosome 1's, two chromosome 2's, etc. This is visible in the karyotype attached). One set of these chromosomes were inherited from the mother, and one set from the father. Each parent contributed 39 chromosomes (one chromosome 1, one chromosome 2, etc.). If the dog in the question were to have 78 chromosomes in its sperm cells, it would contribute two sets to its offspring. When combined with the chromosomes in the egg cell, the offspring would end up with extra chromosomes. Therefore, both the sperm and the egg cells will have 39 chromosomes, one of each. When combined, they will produce offspring with 78 chromosomes, the proper number.

5 0
2 years ago
Read 2 more answers
In an experiment, Mendel grew 633 green pea plants with either wrinkled seed-coats (dominant) or smooth (recessive). If the rati
ikadub [295]

Answer:

B) 211

Explanation:

211 times 3 equals 633

3 0
2 years ago
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his is word used to describe a characteristic of a hypothesis. It means you are able to experiment to see how two variables may
Komok [63]
F then statement,
or In advanced classes an If then Because Statement


If I brush my teeth twice a day, Then my teeth will be whiter because the fluoride in the paste will clean my mouth
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