A dominant allele codes for Huntington's disease, while the recessive allele codes for normal phenotype. The genotype of the progeny will be heter0zyg0us Hh, and they will express the disease.
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Huntington's disease is an autosomal and dominant affection, caused by a mutation in the gene that codifies for the Huntingtin protein (Htt).
Let us say that
H is the dominant allele that codes for the diseaseh is the recessive allele that codes for normal phenotype
Cross: mother h0m0zyg0us dominant with father h0m0zyg0us recessive
Parentals) HH x hh
Gametes) H H h h
Punnett square) H H
h Hh Hh
h Hh Hh
F1) 100% of the progeny is expected to be heter0zyg0us, Hh, and express the disease.
The only possible genotype for children is to be heter0zyg0us for the trait and express the disease.
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Huntington's disease is inherited in an autosomal dominant manner. The offspring of a mother with homozygous Huntington's and a father who is homozygous normal will all inherit and develop Huntington's disease due to the dominant inheritance pattern.
Explanation:The question is about Huntington's disease, which is an autosomal dominantly inherited disease. This means that if one parent possesses a mutated gene for Huntington's (let's denote it as H for Huntington's and n for normal), they can pass it on to their offspring and the offspring will develop the disease. As the mother is homozygous for Huntington's disease(HH), and the father is homozygous normal(nn), we can use a Punnett square to predict the genotypes and phenotypes of the offspring.
The Punnett square will look as follows:
Mother's genes: H H Father's genes: n n
Resulting offspring possibilities:
Hn (Huntington's disease) Hn (Huntington's disease)
As you can see, all possible combinations result in the child being heterozygous but still having Huntington's disease because of the dominant inheritance pattern of this disease. Therefore, all the offspring will inherit and develop Huntington's disease.
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why is atp important to biochemical reactions
Answer:
ATP stands for adenosine triphosphate. It is a molecule found in the cells of living organisms. It is said to be very important because it transports the energy necessary for all cellular metabolic activities. ... ATP consists of one adenine molecule and three phosphate molecules.
Explanation:
Answer:
ATP is important as it transports the energy by its hydrolysis for different biochemical reactions required for cellular metabolic activities.
Explanation:
ATP is important in biochemical reactions due to following reasons:
ATP is able to storage and transportation of energy within cells. ATP helps in the synthesis of nucleic acids. The molecule acts in both of endergonic and exergonic processes of reactions and makes energetically unfavourable biochemical reactions possible .It is important in aerobic respiration, fermentation, cellular respiration, photophosphorylation and photosynthesis. The energy releasing ability of the ATP lies on its phosphate group; which when broken releases energy as an exothermic reaction.
Which of the following types of reproduction is evolution observable?
Asexual
Sexual
Detrimental
Analogous
In Sexual reproduction evolution takes place.
Explanation:
In sexual reproduction, the gametes from the two parents fuse to form a zygote and consequently an organism. The gametes from the two parents provide different alleles for a trait. The different genetic variant or alleles found will cause genetic variation.
The offspring can survive and adapt to the new environment. This leads to natural selection and evolution.
In asexual reproduction changes only occur if mutation takes place otherwise the progeny remains genetically identical so less chance of evolution.
Analogous are the organs having similar function but different origin in different organisms.
Detrimental effects are small or negligible effect of mutation on organism due to the exposure of chemicals or rays.
Only those mutations are heritable which occur in germ cells, mutations of somatic cell do no pass to other generation. Detrimental effect is mainly seen in somatic cells.
Fungi grow best in _______ and ________ areas.
Question 2 options:
cool; humid
warm; humid
warm; dry
cool; dry
Answer:
warm and humid
Explanation:
Fungi grow best in warm and humid areas. Only a few fungi are found in drier regions or in ecosystems with little to no organic matter, and soil rich in organic matter is a good habitat for many species.
What is the suitable temperature for fungus growth?Some fungi survive their whole life cycle on or inside their hosts, whether they be plants, animals, or both.
Warm temperatures are ideal for fungi growth. Some fungal species do grow better in warm temperatures (70–90°F), however, some also perform well at extremely high temperatures (130–150°F) and extremely low temperatures (below 32°F) (below freezing).
Mycelium is a network made up of many connected hyphae, which are the thread-like structure of fungi. Because different fungi vary in their complexity.
Therefore, fungi grow best in warm and humid areas option B is correct.
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To carry out essential life processes the body must maintain?
Answer: homeostasis
Explanation:
Answer: homeostasis
Explanation:
Homeostasis depends on the body's ceaselessly carrying on many activities. Its major activities or functions are responding to changes in the body's environment, exchanging materials between the environment and cells, metabolizing foods, and integrating all of the body's diverse activities.
Select the correct answer from each drop-down menu.
What is a type I survivorship curve?
A type I survivorship curve is a
. and shows Individuals that survive from childhood to adulthood. The greatest number
of deaths occurs during old age. An example of a type I curve is seen in
choices are concave curve,convex curve,straight line
next blank choice is humans oysters small birds
A graphical representation showing the number of an individual surviving the ages in various species groups is called the survivorship curve.
The correct answer is:
Option B. Convex curve
This can be explained as:
Type I survivorship graph is a convex arc that symbolizes individual survival momentum from youth to grown-up stage.It denotes high life proximity in earlier and mid-life whereas death rates get more elevated in elder age.This curve is plotted on the graph as convex in shape.Also, it represents the K strategy of the population.Therefore, it is a convex curve.
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A type I survivorship curve is a convex curve, and shows individuals that survive during old age. An example of a convex curve in a type I survivorship curve is humans.
A type I survivorship curve is a convex curve and shows individuals that have a high probability of surviving through early and middle life but a steep decline in the number of survivors in old age. This type of curve typically represents species that invest a lot of time and resources into the care of their offspring, resulting in low mortality rates in the early stages of life. Humans are a prime example of a species with a type I survivorship curve. Other examples include large mammals such as elephants and whales. These species tend to produce fewer offspring but provide substantial parental care to ensure the survival of their young. The convex shape of the curve illustrates the high survival rate of individuals until they reach old age, at which point mortality rates increase sharply. This pattern is indicative of K-selected species, which focus on quality over quantity in their reproductive strategy.
The correct question is:
Select the correct answer from each drop-down menu. What is a type I survivorship curve? A type I survivorship curve is a ◻ , and shows individuals that survive during old age. An example of concave curve h in ◻ Hint: Concave forms a "cave" convex curve straight line
Which macromolecule is a primary component of cell walls, and which argument provides evidence for how the structure of this molecule relates to its purpose within the cell wall?
Cellulose, a complex carbohydrate that helps to sustain and preserve the plant cell, is a macromolecule that is a major component of cell walls.
The main element of the cell wall is cellulose, a polymerized carbohydrate that is arranged into microfibrils. This macromolecule's primary job is to sustain, fortify, and safeguard the plant cell.
Its own structure is the justification that best shows how important cellulose is to the cell wall. Hemicellulose, a different carbohydrate, connects the network of microfibrils formed by cellulose. These microfibrils are structured in at least three layers. Cell development is possible because of the structure's strength, resistance, and elasticity.
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Researchers inserted a gene for bioluminescence into a variety of organisms, such as mosquito larvae. What is
this technology called?
A) gel electrophoresis
B) polymerase chain reactions
C) DNA sequencing
D) genetic engineering
Answer;
D generic engineering.
Explanation: Genetic engineering is the process of altering the genetic characteristics of species by substituting another species gene into them using biotechnology. It is the type of technology using to change the genetic make-up of cells.
It Is a genetic modification or manipulation to to transfer a gene of bioluminescence into that of mosquito lavae.
Final answer:
The technology used to insert a gene for bioluminescence into organisms is called genetic engineering, involving isolating the desired gene (like GFP), using restriction endonucleases to cut DNA, and creating a GMO that expresses the new trait. d)
Explanation:
The technology used when researchers insert a gene for bioluminescence into organisms is called genetic engineering. This process involves several steps, starting with isolating the DNA of interest, which in the case of getting E. coli cells to glow, would be the green fluorescent protein (GFP) that originates from jellyfish. Next, both the target DNA and the cloning vector DNA are cut using enzymes known as restriction endonucleases to create 'sticky ends' that facilitate the joining of the GFP gene into the vector DNA. The combination is then introduced into the organism, creating a transgenic or genetically modified organism (GMO) that can express the new trait, in this case, bioluminescence.
Define tissue with regards to anatomy *
A group of structurally and functionally related cells that come together to perform
common functions
O
A series of different cells in the same area
O
Multiple sheets of thin paper used to clean your nose
O
The smallest structural and functional unit of an organism
Answer:
A group of structurally and functionally related cells that come together to perform common functions
Explanation:
Each cell types has special features that enable it to perform a particular function efficiently. When a group of specialized, structurally and functionally related cells assemble together they form a tissue.
Tissue, in the context of anatomy, refers to a group of structurally and functionally related cells that come together to perform common functions. Tissues are made up of specialized cells that work together to carry out specific tasks in an organism. They are organized into higher levels of organization, such as organs and organ systems.
Explanation:Tissue, in the context of anatomy, refers to a group of structurally and functionally related cells that come together to perform common functions. These cells can be of the same type or different types, but they work together to perform specific tasks within an organism. For example, muscle tissue consists of cells that contract and generate force, allowing the body to move.
One important aspect of tissue is that it is made up of cells that are specialized for specific functions. This specialization allows tissues to perform their designated roles efficiently. Each type of tissue has characteristic cell types and structures that enable them to carry out their specific functions.
Tissues are organized into higher levels of organization, such as organs and organ systems, which work together to maintain the overall function of an organism. Understanding tissue structure and function is essential in the field of biology, as it helps explain how different parts of the body work together and how disruptions in tissue function can lead to health issues.
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The purpose of mitosis is to produce what
The purpose of meiosis is to produce what
ANSWER ASAP!!!!!!!!!!!!!
Mitosis produces two identical cells for growth and repair, while meiosis produces sex cells with genetic variation for sexual reproduction.
Explanation:The purpose of mitosis is to produce two identical daughter cells that have the same number of chromosomes as the parent cell. This process is crucial for growth, cell repair, and replacement in the body. An example of where mitosis occurs is in your skin cells, which are constantly being renewed and replaced.
On the other hand, the purpose of meiosis is to produce sex cells or gametes (sperm and egg cells) for sexual reproduction. These cells are not identical and they contain half the number of chromosomes compared to the parent cell. This genetic variation ensures the survival and evolution of species. For instance, in humans, meiosis in males produces sperm cells, and in females, it produces egg cells.
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