Plz someone help. This is due tonight!!!! I will give brainiest if you fill it out and NO LINK!!

These are physical change examples

Answer:

The genotypes of the original parents are

The Chi-square analysis leads us to accept the prediction of the parental genotypes.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

(a) The genotypes for the original parents (P generation) are

Male: X⁺Y  

Female: X⁻X⁻

(b) The prediction of the parental genotype is accepted by the Chi-squared test analysis.  

Drosophila Melanogaster is a fruit fly with abnormally big, brightly colored eyes.

The range in color from red to sepia to white reveals a lot about the genetic makeup of the fly.

(a)  E = + ⇒ Dominant allele coding for wild-type eyes

     e = - ⇒ Recessive allele coding for white eyes

Now, Crossing the : male wild-type with a female white-eyed

(Parental)   =  X⁺Y x X⁻X⁻

(Phenotype) =   wild   white

(Gametes)  =    X⁺ Y X⁻ X⁻

(Punnett square)  =  X⁺ Y

X⁻   =  X⁺X⁻  X⁻Y

X⁻   =  X⁺X⁻   X⁻Y

In (F1)generation = 2/4 = 1/2 = 50% of the progeny are expected to be wild-type females.

And 2/4 = 1/2 = 50% of the progeny are expected to be white-eyed males.

Thus, the percentages are almost 50:50, as the expected ones.

So, the genotypes of the original parents are

Male:      X⁺Y

Female:  X⁻X⁻

(b) Using Chi-squared test :

Observed fruit fly type:

Wild Type Male - 25

Wild Type Female - 31

White-eyed Male - 22

White-eyed Female - 24

Expected fruit fly type:

Wild Type Male - 25

Wild Type Female - 25

White-eyed Male - 25

White-eyed Female - 25

Now, chi square [tex]= \sum\dfrac{(O- E)^2 }{E}[/tex]

By putting numbers in the formula, we are getting

Wild Type Male - 0.16

Wild Type Female - 1.44

White-eyed Male - 0.36

White-eyed Female - 0.04

Now, X² = 0.16 + 1.44 + 0.36 + 0.04 = 2

Critical value = 7.82

X² (2) < critical value (7.82)

Thus, this is the evidence to accept the given hypothesis.

Learn more about fruit flies here:

https://brainly.com/question/7274152

Answer:

convention cells

Explanation:

In the field of fluid dynamics, a convection cell is the phenomenon that occurs when density differences exist within a body of liquid or gas. These density differences result in rising and/or falling currents, which are the key characteristics of a convection cell. When a volume of fluid is heated, it expands and becomes less dense and thus more buoyant than the surrounding fluid. The colder, denser part of the fluid descends to settle below the warmer, less-dense fluid, and this causes the warmer fluid to rise. Such movement is called convection, and the moving body of liquid is referred to as a convection cell. This particular type of convection, where a horizontal layer of fluid is heated from below, is known as Rayleigh–Bénard convection. Convection usually requires a gravitational field, but in microgravity experiments, thermal convection has been observed without gravitational effects.

Answer:

i have no idea what this means i kinda need more details but ill say it maybe is Sex-linked disorders affect males more often than females because males have only one X chromosome. but im not really sure

Explanation:

Answer:

The correct answer is - alternate versions of a gene.

Explanation:

In a cell, if there are two copies of each chromosome, these are called homologous chromosomes, one come from the father and the other comes from the mother, which helps in promoting the variety and stability of a species.

Different or alternate versions of genes are possible that can result in two phenotypes for the same trait, these alternate versions called alleles. Alleles can be dominant and recessive.

Answer:

B. Stage 1

Explanation:

Systolic blood pressure is less than 120 mm Hg and Diastolic less than 80 mm Hg so it is considered as normal. Pre-Hypertension occurs when the Systolic blood pressure is 120 - 139 and Diastolic pressure is 80 - 89. Stage 1 Hypertension is considered when the Systolic blood pressure is 140 - 159 and Diastolic blood pressure is 90- 99. If the Systolic blood pressure is greater than 160 it is considered as Stage 2 Hypertension.

Answer:

ecosystem

Explanation:

Answer:

Oxygen cycle, oxygen the by product of photosynthesis is inhaled by heterotrophs which aids in cellular respiration and other internal processes and then exhales carbon dioxide.

Explanation:

In like manner, carbon dioxide passes from blood to the alveoli and exhaled after.

Answer:

macromolecules are the molecules that we can not see by the eye

Explanation:

What should I do more, that's all I know about macromolecules

Answer:

Food hygiene is an essential aspect of food safety. It refers to the processes that directly involve food – including storage, preparation, and cooking. Good practices in these areas ensure that people receive food that's safe and as described.

Answer:

D

Explanation:

8 valence electrons means it is stable, so it will not need to lose or gain electrons

Answer:

Sexual Reproduction is the answer

Answer:

fungi

Explanation:

.......................

Answer:

I think it's D

Explanation:

Have a Nice Day

Explanation:

true

I hope this helps u

//^

Answer:

susieiwiiuw7wuwiwiwiwususususu

Answer:

4

Explanation:

because it's there opposite letter

Answer:

4 b.c a is equal with t and g is equal to c

Answer:

d. Species diversity

Explanation:

The species diversity can be measured by:

Species richness is the number of species present in a sample, within a community, habitat or microhabitat, ecosystem, landscape, region or any well-defined spatial unit. It is a metric for measuring biodiversity which simplicity and easy interpretation make it a standard metric.  It is the simplest and straightforward measure of biodiversity. It is just a count of species, with no need for abundance data. In some cases, this can be the cause of criticism, as it ignores information about the species-abundance distribution.    

Answer:

Explanation:

Because in the fetus stages of fraternal twins two different eggs get fertilized. Therefore, genetics won't be the same for both twins. But if they were identical twins the fertilized egg was to divide and the two zygotes would've carried the same genetics of each other.

Answer:

I believe the answer would be B because if I'm sure the bottom is grain which has higher levels in grain and glucose I believe and that doesn't produce energy . The second level is meat and that has protein which give us strength.

Answer:

Neither

Chromatin

Explanation:

Both promoters and enhancers are generally regulating transcription. They are not regulating in translation. They are not responsible for regulation in translation.  

Transcription machinery assemble at naked eukaryotic DNA. They do not assemble at DNA chromatin.

Answer:

the organelle that regulates cell function and contains the DNA is a nucleus

Answer:

Thickness and number of chlorophyll.

Explanation:

Shade-adapted plants differ from sun-adapted plants due to many characteristics such as thickness and number of chlorophyll. Sun leaves are more in thickness than shade leaves because they develop longer palisade cells. Shade leaves generally have more chlorophyll as compared to sun-adapted plants. Specific leaf area and root mass fraction of Shade-adapted plants are higher as compared sun-adapted plants due to large number of chlorophyll to harvest more sunlight for photosynthesis. Dark respiration is higher in sun-adapted plants when there is darkness as compared to shade-adapted plants which produce food in no direct sunlight.

Answer:

Euglena move by a flagellum (plural ‚ flagella), which is a long whip-like structure that acts like a little motor. The flagellum is located on the anterior (front) end, and twirls in such a way as to pull the cell through the water. It is attached at an inward pocket called the reservoir.

Answer:

1

Explanation:

step 1 because it shows locations

Answer:

Top predator is a predator at the top of a food chain without natural predators.

Answer:

Hello There!!

Explanation:

A top predator is a predator which is at the top of the food chain and eats other consumers.

hope this helps,have a great day!!

~Pinky~

Answer:

A) Earth's precession

Explanation:

Earth's precession is the movement of Earth that acts like a cone.

Earth has three movements: rotation, revolution and precession.

(equinoctial precession)