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ASHA 777 [7]
3 years ago
9

E

Biology
2 answers:
Dvinal [7]3 years ago
5 0

Answer:

The correct answer is - increased the number of people who have health insurance.

Explanation:

Medicare and Medicaid are the federal health insurance programs introduced during the early 60s to cover all the expenses on the health issues of people over 60 or above. It is controlled by the federal agency.

It is increased in great number since the 1960s which helps elderly people of the US to cover all the expenses they spend on their health issues and diseases.

AVprozaik [17]3 years ago
4 0

Answer:

Explanation:

d

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Scientists studied reproduction in the New Zealand mud snail. They wanted to determine whether reproducing sexually or asexually
lubasha [3.4K]

A hypothesis is a claim that expresses a relationship between variables. D) Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.

<h3>What is a hypothesis?</h3>

A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, but not a fact. It is a claim of how it works a relationship between two or more variables.

The researcher hypothesizes in order to predict what is going on or what is expected to occur.

A hypothesis must express what is expected to occur in a perfectly comprehensive manner. There must be a logical relationship between the involved variables. It must be objective. Usually, it is written in the present time.

There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative.  

In the exposed example, researchers wanted to determine whether reproducing sexually or asexually was more beneficial for the snails.

Options,

A) <em>Sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation. </em>

The benefit of reproducing sexually is that the risk of mutation is lower.

B) <em>Asexual reproduction is advantageous over sexual reproduction because it allows the snails to produce more offspring.</em>

<em />

The benefit of reproducing asexually is that a higher number of descendants are produced, which increases reproductive success.

C) Sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation.

The benefit of reproducing sexually is that it increases genetic variation.

D) Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.

The benefit of reproducing asexually is that there is no need for social interaction.

Social interaction does not really benefit snails as a species. This is not a variable that might influence in a significant way snails.

However, variables like the mutation rate, variability, and the number of descendants are useful to test how they benefit or not the snails.  

The hypotheses that would least likely aid the scientists to answer the question is <u>option D</u>.

You can learn more about hypothesis at

brainly.com/question/2657326

brainly.com/question/24897727

#SPJ1  

3 0
2 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
3 years ago
Read 2 more answers
What happens to the salt and minerals in the water when the water evaporates?
leva [86]

Answer:

It goes back to its solid state in the glass, like when you leave out a glass of koolaid ,the water evaporates but it leaves a Orange powder residue

Explanation:

3 0
3 years ago
You are working with a 125 million bp human chromosome (1 centimorgan = 1 million bp), and wish to use markers to map newgenes v
Lena [83]

Answer:

After every 0.192 centimorgan

Explanation:

If there are 125 million base pairs then according to the parallel ratio compare rule it should contain an average of 650 genes. If every gene has to be marked by a single marker on each end then a total number of 651 markers are used after every 0.192 centimorgan distance.

4 0
3 years ago
READING TOOL Sequence of Events As you read your textbook, identify the sequence of
schepotkina [342]

Mendel observed phenotypic traits during the cross of pea plants. Subsequently, he noted each trait had only two forms.

<h3>Mendel's Experiments</h3>

Mendel crossed pure-breeding pea plants, and then he crossed hybrid generations, as well crossed the hybrid progeny back to parental lines.

From these crosses, Mendel observed the descendence and then formulated a series of inheritance principles.

Mendel noted traits can be divided into dominant and recessive phenotypic characteristics.

Dominant characteristics were inherited in an unaltered manner after hybridization of true breeding [plants.

Learn more about Mendel's experiments here:

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3 0
2 years ago
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