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Vinvika [58]
3 years ago
11

Pls help me help me pls​

Biology
2 answers:
worty [1.4K]3 years ago
7 0

9 = B

10 = A

11 = C

12 = B

Afina-wow [57]3 years ago
6 0

Answer:

1. Stratus

2. Cirrus

3. Cumulus

4. Both Cumulus and Cirrus

Explanation:

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Sister chromatids of a pair of homologous chromosomes form tetrads, and crossing-over (exchange of genetic information between r
aleksandr82 [10.1K]

Crossing over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs in the prophase I stage of meiosis.

<h3>WHAT IS MEIOSIS?</h3>

Meiosis is the process whereby a single cell produces four daughter cells that are genetically different from one another.

Meiosis is able to ensure genetic diversity in the daughter cells due to a process called Crossing over.

Crossing over is the exchange of genetic material between the non-sister chromatids of homologous chromosomes. It occurs in the prophase I stage of meiosis.

Therefore, crossing over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs in the prophase I stage of meiosis.

Learn more about crossing over at: brainly.com/question/394891

4 0
3 years ago
How does a cloned sheep compare genetically to a sheep that is made using sexual reproduction
nikitadnepr [17]

Answer:

The cloned sheep is the result of nuclear fusion from two different sheeps. In one sheep the enucleated egg is fused with DNA of another sheep.

Explanation:

The cloned sheep is the result of nuclear fusion of 2 different sheep. In the cloning process, the egg cell of one sheep was enucleated. Then a DNA from another sheep had taken and put into the enucleated egg cell to fuse.  Then the egg allowed to divide in the laboratory to the blastocyst stage. The blastocyst incorporated into a surrogate mother or a third sheep.  The surrogate mother after some months gives birth to the cloned sheep.  

The sheep produced by normal reproduction has the DNA of two parents. The sheep have two parents and resemble their parents.  

In cloned sheep, there is no biological parent and have DNA of the donor sheep. That means the cloned sheep has a gene of a single sheep not the DNA of others. Because the egg cell was enucleated before the cloning process.  The sheep are more like the donor DNA sheep not like the surrogate mother.

7 0
3 years ago
You are the nurse caring for a 77-year-old male who fell off his roof. you note that the patient's labs indicate minimally eleva
slega [8]
I believe that elevated serum creatinine levels indicate a kidney disease
8 0
3 years ago
How would inbreeding affect allele frequencies and genotype frequencies in a population?
Finger [1]
<h2>Inbreeding </h2>

Explanation:

Inbreeding is defined as the formation of offspring which results from the mating of two closely related organisms

Inbreeding affects allele frequencies and genotype frequencies in a population in following ways:

  • Inbreeding increases homozygosity which in turn decreases the biological fitness of a population because there are chances that offsprings will be affected by deleterious traits in this case
  • Inbreeding itself does not cause evolution, because allele frequencies do not change in the population as a whole
5 0
4 years ago
Inflammation of vein
Inessa [10]
The answer is Phlebitis
5 0
3 years ago
Read 2 more answers
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