When a male pig from a line of true-breeding (homozygous) black, solid-hooved pigs was crossed to a female from

a breed (homozygous of red, cloven-hooved pigs, their several progeny all looked alike with regard to color and

hooves. These progeny were all mated to members of the same breed as their red, cloven-hooved mother pig. The

offspring from this final cross were: 11 black, cloven-hooved: 8 black solid-hooved: 14 red, clover hoved; and 10

red. Solid-hooved. For each of these two genes (coat color and hoof type) determine which allele is the dominant

one. Explain your reasoning. What were the phenotypes of the progeny produced by the first mating in this

problem?

Answers

Answer 1

Based on the observed patterns of inheritance in the progeny, the dominant allele for coat color is black (B) and the recessive allele is red (b). Similarly, the dominant allele for hoof type is solid (S) and the recessive allele is cloven (s).

The reasoning behind this conclusion is that the offspring resulting from the cross between the black, solid-hooved male pig (BBSS) and the red, cloven-hooved female pig (bbss) were all black and solid-hooved, indicating that the dominant alleles for both coat color and hoof type were expressed. However, in the subsequent crosses between these offspring, a range of phenotypes were observed, including black and cloven-hooved, red and cloven-hooved, and red and solid-hooved. This suggests that the recessive alleles for both coat color and hoof type were present in the offspring and became expressed in the subsequent generations.

The phenotypes of the progeny produced by the first mating in this problem were all black and cloven-hooved, since the male parent was homozygous for black coat color and solid hooves, while the female parent was homozygous for red coat color and cloven hooves.

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Related Questions

Summarize your first NASA spinoff technology in the answer space. Use the Insert Image button to add an image file.

Answers

One of the first interesting NASA Spinoff Technology is the Drill Bits that are able to break off and retain rock samples. They are then collected on Perseverance and flown to earth for the use of geologists.

What is NASA Spinoff Technology?

This is a publication from the National Aeronautics and Space Administration that shows the technology used by NASA to the public.

NASA has shown about fifty technologies each year since 1976 in this annual publication.

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Summarize your first NASA spinoff technology in the answer space. Use the Insert Image button to add

The main smoking related diseases and how they affect health

Answers

Answer:

Heart disease.

Heart attack

Stroke.

By damaging your airways and the small air sacs (alveoli) found in your lungs.Hope this helps! Have a nice life!

The Gram stain is an example of a _______ staining procedure, which takes advantage of the fact that cells or parts of cells react differently and can be distinguished by the use of two different dyes.

Answers

ANSWER

The Gram stain is an example of a Differential staining procedure, which takes advantage of the fact that cells or parts of cells react differently and can be distinguished by the use of two different dyes.

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Anne Hutchinson was executed for teaching that worshipers needed neither the church nor its ministers to
interpret the Bible for them. Why is it false

Answers

It is false. she was banished (from Massachusetts Bay Colony). Government and church leaders believed that because doing so would upend Puritan society's patriarchal framework, women shouldn't instruct men or criticize pastors.

Anne Hutchinson, was a religious liberal who helped found Rhode Island after being expelled from the Massachusetts Bay Colony (baptized July 20, 1591, Alford, Lincolnshire, England—died August or September 1643, Pelham Bay, New York [U.S.]). In colonial New England, Anne Hutchinson was a prominent Puritan spiritual figure who questioned prevalent religious beliefs.  Hutchinson earned the disapproval of the colony's elders due to the popularity of her preaching and her unconventional beliefs.

She held the belief that those who worshipped God via a personal connection, without the need for any church action, were welcome in heaven, in clear contravention of Puritan ideology and church structure. Hutchinson and her family were expelled from the Massachusetts Bay Colony as a result of these and other views. The Puritan officials who oversaw the colony compelled Anne Hutchinson to strictly abide by their regulations of worship, but she continued to hold religious gatherings in her home as she had in England.  In 1637, she was tried, found guilty, and exiled from Massachusetts.

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Scientists use genetics to trace the evolution and migration of humans. How do scientists know which populations are older than others

Answers

Answer:

Scientists often look at mitochondrial DNA to determine these chronological relationships. Mitochondrial DNA mutates at a relatively predictable rate, often referred to as the "molecular clock". By comparing the amount of mutations between groups compared you can determine which groups have been around longer and therefore have acquired more mutations.

Explanation:

Which process turns glucose into energy?

Breathing
Cell division
Cellular respiration
Photosynthesis

Answers

Answer:

cellular respiration

Explanation:

cellular respiration

4. If a horse has 64 chromosomes in each of its body cells, how many chromosomes will be in each gamete cell after meiosis?
F 32 G 64 H 96 J 128

Answers

Answer:

Gamete cells of the horse has 32 chromosomes.

Fill in the sequence diagram below to summarize Mendel’s experimental process.

Fill in the sequence diagram below to summarize Mendels experimental process.

Answers

First box: Self-fertilization/self-pollination of F1 flowers

Second box: Determine F2 generation phenotypic ratios

In an experiment that compares a combination mental-physical practice condition to an all-mental practice condition, an all-physical practice condition, and a no practice condition, the typical results show that participants in the combination mental-physical practice condition would learn the skill

a. as well as or better than those in the all-physical practice condition.
b. about as well as those in the all-mental practice condition.
c. about as well as those in the no practice condition.
d. The results would depend on the combination of the amount of mental and physical practice.

Answers

The combination mental-physical practice condition is effective to learn the skill as well as or better than those in the all-physical practice condition. Mental-physical practice enhances both cognitive and physical skills.

Mental practice, also known as mental/skill rehearsal, refers to the cognitive (i.e., thinking) rehearsal of a given skill prior to its execution.

It has been shown that mental practice can be effective for enhancing the performance of both cognitive and physical skills.

The mental-physical practice has been shown to be helpful to enhance self-motivation, confidence, and reduce feelings of anxiety.

Mental practices always must be employed to supplement physical practices instead of replacing such physical exercises.

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I’m in the middle of a test help!!
Which process is responsible for changing the composition of rock?
O erosion
abrasion
chemical weathering
mechanical weathering

Answers

Chemical weathering is responsible for changing the composition of a rock

Answer:

C. chemical weathering

Explanation:

took test on edge 2020

The pineapple plant closes its stomata during the day and opens its stomata during the night. This process helps the plant conserve water by preventing
A.
photosynthesis.
B.
transpiration.
C.
hydrotropism.
D.
condensation.

Answers

The pineapple plant closes its stomata during the day time and opens its stomata during the night time. This process helps the plant conserve water by preventing the transpiration of water. Thus, the correct option is B.

What is Transpiration?

Transpiration is a process which involves the loss of water vapor through the stomata of plants. The loss of water vapor from the plant surface cools the plant down when the weather is too hot, and water from the stem and roots moves upwards or it is pulled into the leaves of plant.

Transpiration is the phenomena which also provides the driving force for transport of water and other nutrients from the roots of the plant to other plant parts such as shoots, leaves, and flowers. Consequently, transpiration processes affect the yield as well as the survival of agricultural species, and impact on the global carbon and hydrological cycles.

Therefore, the correct option is B.

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Alonso is studying for a test. In order to help understand the term cardioesophageal sphincter, he recalls that cardio
means "heart" and "esophageal" is related to the esophagus. This helps him to recall that the cardioesophageal sphincter
is the muscle closure at the end of the esophagus just behind the heart.
What technique is Alonso utilizing?

A participating in mock instruction

B analyzing diagrams

C breaking down terminology

D making flash cards

Answers

Answer: C) breaking down terminology

Explanation:

All eukaryotic cells contain at least one Golgi complex, typically located in the cytoplasm and near the endoplasmic reticulum.

Which of the following best describes a process that occurs within the Golgi complex?

Answers

Answer:

Lysosomes are created by the addition of hydrolytic acid to endosomes from the Golgi apparatus. Basically, the Golgi apparatus receives protein enzymes from the ER, which are packaged in a vesicle in the Golgi apparatus, processed and finally, pinched off as a Lysosome.

Explanation:

it creates lysosomes

Differences in traits such as hair texture are determined by differences in —
A the location of sugar groups in DNA
B the sequence of nucleotides in DNA
C the number of nitrogenous bases in DNA
D the molecules attached to the phosphate in DNA

Answers

Differences in traits such as hair texture are determined by differences B the sequence of nucleotides in DNA.

How does the linear sequence of nucleotides in DNA determine traits?

The linear sequence of nucleotides in DNA determines traits because the information encoded in this molecule is transmitted by segments called genes which contain specific nucleotide sequences that determine the codons required to encode a protein during the processes of transcription and translation.

Therefore, with this data, we can see that the linear sequence of nucleotides in DNA determines traits because the order of nucleotide determines the codons required to add amino acids during translation.

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Why does the lethal “b” allele affect more males than females?

Answers

In female mammalian cells, one X chromosome of the two would undergo random inactivation early in embryonic life, and therefore both males and females have a single active Y. with this the disease has a predilection in men because women do not carry the Y gene

What are the consequences of lethal alleles?

Recessive lethal alleles cause death when they are homozygous. Death occurs at the stage when the product of this gene is needed. If the gene in question is responsible for the synthesis of a particular protein in early childhood, for example, the organism will die at that moment.

With this information, we can conclude that Y chromosome, is what guarantees the development of a male embryo and the lethal “b” allele

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describe two ways in which bacteria are affect on your life today?please for grade 8.​

Answers

Answer:

Humans use bacterua to make helpful drugs such as antibiotics and vaccines.

The bacteria in our bodies defend against infections by protecting colonized surfaces from invading pathogens which is helpful especially since everyone be getting sick from covid or whatever sickness.

Explanation:

6. The world's four huge oceans are all connected to form one enormous global ocean. true or false.​

Answers

Answer:

False

Explanation:


A toy car accelerates 1.25 m/s2 when a child pushes it with a force of 0.1 newtons. What is the mass of
the car?

Answers

Answer:

0.089

Explanation:

The formula to solve for mass is:

m=F/a

So, The force is 0.1, and the acceleration is 1.25^2.

First you must square 1.25, which will give you 1.12 ( I rounded).

Now, we have 0.1/1.12, which equals 0.089, or 0.09.

I really hope this helps.

In which direction will the actin binding protein move? Assume that profilin, cofilin and thymosin are present but not filament capping proteins.

Answers

In this case the motor activity of myosin moves its head groups along the actin filament in the direction of the plus end.

What is actin binding?

In eukaryotic cells, actin performs a key role as a necessary part of the cytoskeleton. The actin cytoskeleton plays a role in cell movement, cell division, endocytosis, intracellular trafficking, and the creation and maintenance of cell shape and polarity. Numerous actin-binding proteins (ABPs) control the formation and disassembly of actin filaments as well as how they are organized into useful higher-order networks in cells (dos Remedios et al., 2003; Maciver, 2004). Specific signaling pathways in turn regulate the activity of these proteins.

In this article, we outline the main classes of ABP identified in eukaryotic cells and, to the extent possible, suggest their likely mode of action based on both in vitro and in vivo research.

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describe the timing of this fracture line on this long bone. [38]

Answers

Without further information or context, it is not possible to accurately describe the timing of a fracture line on a long bone.

The timing of a fracture line can be influenced by various factors such as the type of fracture, the location of the fracture, the age and health of the individual, and the treatment received. In general, a fresh fracture line will appear sharp and well-defined, with no signs of healing or callus formation. As time passes, the fracture line may become less distinct as the bone begins to heal, and callus formation may be visible on X-rays. However, the precise timing of a fracture line cannot be determined without additional information about the fracture and the individual affected.

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you and a group of scientists are mapping out gene regulation in a new species. based on what is currently known about control of gene expression, what type of regulation is likely to be most important for most genes in this species?

Answers

The type of regulation that is likely to be most important for most genes in this species is the Initiation of transcription.

The process of activating and deactivating genes is referred to as gene regulation. Gene regulation plays a significant role in healthy development.

Genes are switched on and off in various ways during development to give a brain cell, for instance, a different appearance and behavior from a liver cell or a muscle cell.

The start of transcription is called initiation. It takes place when the promoter, a region of a gene, interacts with the RNA polymerase enzyme. In order for the enzyme to "read" the bases in one of the DNA strands, this tells the DNA to unwind. The enzyme is now ready to assemble a complementary base-sequenced mRNA strand.

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BRAINLIEST!!! How is glucose related to carbohydrates?

Answers

Answer:

When carbohydrates are digested and sent into the blood stream they become sugars called glucose. Glucose provides energy for all of your cells. If not all of the glucose is used immediately, your body will store it in your muscles and liver as glycogen. Glucose is a type of sugar found in food.

Explanation:

Explanation:

carbs are made up of glucose

Vhy did the color of the peppered moth change?
A.The moths' life cycle changed,
B.The environment changed
C.The amount of variation in the moth population changed
D.The number of individual moths in the population changed,

Vhy did the color of the peppered moth change?A.The moths' life cycle changed, B.The environment changedC.The

Answers

Answer:

the environment changed

Explanation:

The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. ... Later, when pollution was reduced, the light-coloured form again predominated.

Answer:

B.The environment changed

Explanation:

Regarding shipping fever
a. it is caused by mycobacterium
b. it is caused by a prion
c. it is also known as pasteurellosis
d. transmission occurs when uninfected cattle are bred to infected bulls

Answers

a) The disease described in statement a is caused by Mycobacterium.

(b) The disease described in statement b is caused by a prion.

(c) The disease described in statement c is also known as pasteurellosis.

(d) Transmission of the disease described in statement d occurs when uninfected cattle are bred to infected bulls.

the statements describe different diseases and their causes. Statement a suggests that the disease is caused by Mycobacterium, which is a genus of bacteria known to cause various illnesses such as tuberculosis and leprosy. Statement b indicates that the disease is caused by a prion. Prions are misfolded proteins that can lead to neurodegenerative disorders, including Creutzfeldt-Jakob disease and mad cow disease. Statement c states that the disease is also known as pasteurellosis, which refers to a bacterial infection caused by various species of the Pasteurella bacteria. Lastly, statement d explains that the transmission of the disease occurs when uninfected cattle are bred to infected bulls, suggesting a form of vertical transmission where the disease is passed from one generation to another through breeding.

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The weather map shows air pressure in millibars which set of conditions describes

Answers

millibars in a low-pressure system usually brings clouds and precipitation, while a high-pressure system brings cool dry air and clear skies. A low-pressure system usually brings warm dry air and clear skies, while a high-pressure system usually brings warm moist air and precipitation.

be more descriptive

In the ribonuclease experiments performed by Anfinsen, β-mercaptoethanol reduced:
a all bonds, and the unfolded protein molecules became tangled up with one another to form aggregates.
b incorrectly paired disulfide bonds, allowing them to reform with the correct pairing until the most stable conformation of the protein had been obtained.
c all incorrectly paired bonds and stabilized the protein structure.
d all bonds and destroyed the protein structure.

Answers

In the ribonuclease experiments performed by Anfinsen, β-mercaptoethanol reduced incorrectly paired disulfide bonds, allowing them to reform with the correct pairing until the most stable conformation of the protein had been obtained. So, option B is accurate.

In Anfinsen's ribonuclease experiments, β-mercaptoethanol was used to reduce disulfide bonds within the protein. Disulfide bonds are covalent bonds formed between two cysteine residues in a protein. When disulfide bonds are incorrectly paired or misfolded, they can lead to an unstable protein structure.

By adding β-mercaptoethanol, the mispaired disulfide bonds were reduced, breaking the incorrect bonds. This allowed the protein to refold and reform disulfide bonds in the correct pairing, gradually reaching the most stable conformation.

The purpose of these experiments was to demonstrate that the primary amino acid sequence of a protein contains the information necessary for its proper folding and formation of its native, functional structure. Anfinsen's work showed that even after denaturation, the correct folding of a protein can be achieved by allowing the disulfide bonds to form correctly.

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during oxidative phosphorylation, the proton-motive force (electrochemical gradient) that is generated by electron transfer is used to:

Answers

During oxidative phosphorylation, the proton-motive force (electrochemical gradient) that is generated by electron transfer is used to produce ATP (adenosine triphosphate), which is the primary energy source for many cellular processes.

The proton-motive force is created by the movement of protons (H+) across the inner mitochondrial membrane, which is driven by the electron transport chain (ETC). As electrons are passed down the ETC, protons are pumped from the matrix into the intermembrane space, creating a gradient of H+ ions. This gradient is used to power ATP synthase, which is an enzyme complex that generates ATP from ADP and inorganic phosphate.

The proton-motive force drives the rotation of the ATP synthase complex, which causes conformational changes that allow for the synthesis of ATP. The energy from the proton-motive force is used to add a phosphate group to ADP, creating ATP. The amount of ATP produced during oxidative phosphorylation depends on the electron transport chain activity and the proton-motive force. This process is vital for the production of ATP in eukaryotic cells, and disruptions to the process can lead to a range of metabolic disorders and diseases.

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Q: What is wrong with
this statement:
"Over many generations,
Australian animals
adapted themselves so
that they could survive
better in their
environment."

Answers

Answer:

Explanation:

they can not chose to adapt. adaptations occur over a very long period time(darwinism)  Evolution is not selective in the sense that the organism being changed can choose.

The fossil record is a testament to extinct fauna no longer present on Earth. Certain areas of the planet have always had high species diversity (evident from fossils and catalogs of current species diversity). Which of the processes listed likely contributed to the patterns of animal diversity we see

Answers

Answer:

The processes that likely contributed to the patterns of animal diversity we see is LOCAL AND GLOBAL EXTINCTION EVENTS.

Extinction event is when a large number of multicellular organisms of same species die within a short period of time reducing the number of such organisms in circulation in the ecosystems.

Extinction event can be (all over the world) or local (within a speculated geographic location).

Causes of extinction includes; population growth,habitat loss,over consumption, population and introduction of new species.

Extension would occur when the joint allows one bone to:

A)move towards the midline of the body.

B)move away from another, increasing the angle between them.

C)move away from the midline of the body.

D)move toward another, decreasing the angle between them.

Extension would occur when the joint allows one bone to:A)move towards the midline of the body.B)move

Answers

i’m pretty sure it’s B!! please correct me if i’m wrong.
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