Which best describes the relationship of the embryo and the fetus.

Answers

Answer 1

Answer: The words are synonyms, if you look it up in a dictionary you can find that a fetus is "an unborn or unhatched offspring of a mammal, in particular an unborn human more than eight weeks after conception". However, in organisms that reproduce sexually, an embryo develops from a zygote, the single cell resulting from the fertilization of the female egg cell by the male sperm cell. The aforementioned zygote possesses half the DNA of each of its two parents. Moreover, for plants, animals, and some protists, the zygote will begin to divide by mitosis to produce a multicellular organism, which in turn will create and embryo.

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Electrons spin in shells around the nucleus. The closest shell (n = 1) can contain a maximum of _____ electrons?
Which of the following statements about Mendelian genetics is false? Select one: a. Alternate forms of genes are called alleles. b. A locus is a gene's location on its chromosome. c. Only two alleles can exist for a given gene. d. A genotype is a description of the alleles that represent an individual's genes. e. Individuals with the same phenotype can have different genotypes.
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Will cell theory ever become the law of cells?

Answers

Cell theory will never become a law of cell. This is because theory and law are two different things and one can not develop and become the other.
When a scientist observe a phenomenon to which he did not have an answer, he will formulate an hypothesis about the observation and set out to conduct an experiment to confirm his hypothesis. If his hypothesis is confirmed, then the hypothesis become a theory, especially after it has been confirmed by other scientists too.
But a law refers to a natural phenomenon which have been observed to occur in the same fashion, for a very long period of time. For instance, the gravity force will always force an object throw up to come down. That observation is part of the Newton's law of motion.

What aspects of the genome can and cannot be determined through karyotyping?

Answers

We can define that the set of chromosomes of each individual is called a karyotype. In the human species, this set is composed of 46 chromosomes: 23 from the male parent and 23 from the female.

What is karyotyping?

The karyotype of an individual can be observed through a photograph of its chromosomes. This process is known as karyotyping, and is performed with diploid (2n) somatic cells during metaphase, a stage of the cell division process (mitosis) in which the chromosomes are more condensed and, therefore, their identification is easier.

With this information, we can conclude that the aspects of the genome that can be determined through karyotyping are identifying changes in the number of chromosomes in an individual.

Learn more about Chromosomes inbrainly.com/question/296477

The correct answer to this question is that:

The idea of Karyotyping is that it helps us to know the sex of a person and it gives us information whether there are chromosomal disorder or not. As a whole, it won't tell us the traits of a person because those traits are acquired how he or she interacts with the society.

Which is an advantage to using nonrenewable resources

Answers

The main advantages of non-renewable energies is that they are abundant and affordable. For example, oil and diesel are still good choices for powering vehicles. Non-renewable energy is cost effective and easier to product and use. According to National Geographic, there are reservoirs of non-renewable energy sources throughout the world. Hope this helps!

Final answer:

Nonrenewable resources like oil, natural gas, and coal are efficient and economically viable due to established infrastructure. However, they have environmental impacts and are finite.

Explanation:

The question asks about the advantages of using nonrenewable resources. Nonrenewable resources such as oil, natural gas, and coal, have several advantages. One significant advantage of nonrenewable resources is their efficiency. These types of resources are often much more efficient in generating energy than renewable alternatives. For example, a small amount of coal or nuclear energy can produce substantially more energy than solar or wind power. Furthermore, nonrenewable resources are currently more economically viable. The infrastructure for extracting and using these resources is well established, making them cheaper to use in the short term as compared to renewable sources. However, we need to be aware of the environmental impact and the fact that these resources are finite and will eventually run out.

Learn more about Nonrenewable Resources here:

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Sponges have flagellated cells called _____ that line their internal chambers and create water flow to capture food. collar cells choanocytes endoderm mesoderm

Answers

sponges have flagellated cells called Choanocytes that line their internal chambers and create water flow to capture food. One of the main function of choanocyte is to generate a flow of water through the sponges for to be used during its repiratory and digestive process

Answer:

B. choanocytes

Explanation:

Which has the most control of traits and inheritance

Answers

That would be the alleles

Are their any choices?

In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If a red-eyed heterozygous fly (Rr) mates with a sepia-eyed homozygous fly (rr), what are the possible genotypes of their offspring? (Hint: You many want to complete a Punnett square.)Rr only
RR, Rr, and rr
Rr and rr
RR and Rr

Answers

Complete a Punnett Square to see the possible offspring.

. R    I r
  -------------
r I Rr I rr I
  --------------
r I Rr I rr I
--------------
Excuse the horrible square, but as you can see, the possible genotypes will be Rr and rr.

Answer:

Rr and rr

Explanation:

i took the class

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