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Fynjy0 [20]
1 year ago
10

Hello I need help with a pedigree and also punnet square the trait of interest is curly hair

Biology
1 answer:
Kaylis [27]1 year ago
4 0

When we are talking of dominance in genes, we have that a gene can present with certain variations, this variations are called alleles. Now acording to mendelian genetics in alleles we can have dominant alleles or recessive alleles.

When an allele is dominant it means thet every time this allele be present the trait thet code will show, it doesn't matter if the organism is homozygous (SS for example) or heterozygous (Ss for example) in both cases the person wil have smile dimples, now a recessive trait will only show itself when is in its homozygous form (ss) and in that case and only the person won't show smile dimples.

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(Select all that apply.) Choose sources of protein in our diet.
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7 0
3 years ago
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In which step of mitosis does a new nuclear membrane form around each new nucleus? O telophase prophase metaphase anaphase​
Dennis_Churaev [7]

Answer:

Telophase

Explanation:

is the final step of mitosis. During this phase, the nuclear membrane reforms, the nucleolus reappears, and the chromosomes unravel into chromatin.

7 0
3 years ago
Why did the paramecium die of dehydration when the water solute was raised all the way up AND lowered all the way down?Why did t
svetlana [45]

Answer:

There is a certain water potential maintained in the body of the paramecium, which can change in response to changes in its environment. When the water solute level is increased all the way up, the water potential in the surrounding is a lot lower than the water potential inside the paramecium. Due to this steep water potential gradient, water will leave the paramecium's cell into the surrounding via osmosis. Water being transported out of the paramecium will cause it to dehydrate and die.

In the opposite case where the solute level is lowered all the way down, no water will enter the paramecium cell because its water potential is lower than the surroundings. The difference in water potentials is so great that the water entering the paramecium's cell will cause to burst and die.

Note: remember that diffusion and osmosis takes place down the concentration gradient. The concentration of one environment is determined in reference to another.

Hope that answers the question, have a great day!

5 0
3 years ago
Which of the following has a strong, positive inotropic effect, meaning it increases the strength of each contraction of the hea
andreyandreev [35.5K]

Missing choices:

A) Myocardial hypercapnia

B) Hypocalcemia

C) Hyperkalemia

D) Hypercalcemia

E) Myocardial hypoxia

I'm debating between two answer choices. A) Myocardial hypercapnia and E) Myocardial hypoxia.

Myocardial refers to the cardiac muscle or myocardium. 

Hypercapnia is the excessiveness of carbon dioxide in the blood stream.

<span>Hypoxia is the inadequate amount oxygen in the body.</span>

I'll go with E) <span>Myocardial hypoxia. </span>

3 0
3 years ago
Orms of obvious, overt prejudice, which are considered inappropriate by most social standards today, are sometimes called:______
zhannawk [14.2K]

Answer:

Discrimination        

Explanation:

Discrimination of prejudice refers to the act of treating a person or people in a way that is wrong, unlawful, and inconsistent with the generally accepted moral standards just because they are different especially with respect to age, nationality, gender, etc

There are two categories of discrimination:

  1. Overt and
  2. Covert.

Discrimination or prejudice is over when those who practice it are unafraid to make their thoughts and actions public. Many times this is so because the society in which they live condones such behavior and because there are no repercussions, they bold to make their unjust acts public. For example, name-calling, intentional rejection of job applications, etc.

Covert refers to using the system or giving logical reasons for discriminatory behavior. This is more subtle. For example, an employer may say they are not taking females due to the prerequisites of the job. Refusing "nicely" to be treated by a person of color in a hospital is another example.

Covert aggression of prejudice is often masked and occurs where the laws are relatively stiff on those who practice them. Also, a society that is evolving from largely prejudicial to less discriminatory will see more covert forms that overt forms of discrimination because those who practice overt prejudice are bold because they know that there are many more who think like them.

Cheers!

6 0
3 years ago
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