If a mother is a carrier of the recessive gene (Xx) for hemophilia and
there is a 25% chance of having a child with hemophilia, what must the
father's genotype be?

Answers

Answer 1

Answer:If she gets the X chromosome with the hemophilia gene she will be a carrier. So a carrier's daughter has a 50% chance of being a carrier. A woman who is a carrier has: a 25% (one in four) chance of having a daughter who is a carrier.

Explanation:


Related Questions

1. How would you describe the biosphere?
2. What are some ways we, as humans, affect the biosphere?

Answers

Answer:

1. The Biosphere is a life-supporting stratum of Earth's surface, extending from a few Km into the atmosphere all the way to the deep-sea vents of the ocean. The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients

2. Humans burning fossil fuels and growing animal agriculture has led to large amounts of greenhouse gases (such as carbon dioxide and methane) in the atmosphere. Higher concentrations of greenhouse gases trap more heat in the biosphere and result in global warming. Humans have caused threats to non-renewable resources, CO2 production& global warming, as well as over-competition for food between native and introduced species.

TUS
A line intersects the points
(2, 3) and (5, 6).
What is the slope of this line?
m =
[?]
Slope = y2 - 1
X1

Answers

slope of the line is 1

A tsunami is caused by an _______________________ or a _______________________ underwater that displaces water, generating a wave that can become large and powerful when it reaches shorelines. (2 points)

Answers

meteorite impact or a movement (earthquake) underwater.

Which of the following is true based on the cell theory?
O Most organisms are made up of one or more cells
O Cells have many different components inside of them
O Cells can come from non-cellular sources
O Life starts at the level of the cell

Answers

I believe that the answer is: Most organisms are made up of one or more cells
Cell Theory was first developed in 1839 by Schleiden and Schwann, they stated that all organisms are composed of one or more cells.

The body consumes carbohydrates to produce energy that is used for cellular processes. Into what molecule is this energy converted for use in the cell?

A- AMP

B- ATP

C- DNA

D- RNA

Ok i have no idea and am kind of doing nine weeks test but i need some help (;

Answers

Answer:

dna

Explanation:

I believe its ATP. Hope you do well on your test.

7. Which molecule is light energy temporarily stored in before being used to make glucose?

Answers

Answer:

The Calvin cycle uses CO2 and the energy temporarily stored in ATP and NADPH to make the sugar glucose. Photosynthesis is a two stage process. As is depicted here, the energy from sunlight is needed to start photosynthesis. The initial stage is called the light reactions as they occur only in the presence of light

Name 3 organelles and provide their functions.

Answers

Answer:

Can I get brainiest answer Mitochondria Lysosomes vacuole

A small percentage of some human DNA has a connection tho neanderthal.

Answers

Answer:

This information is generally reported as a percentage that suggests how much DNA an individual has inherited from these ancestors. The percentage of Neanderthal DNA in modern humans is zero or close to zero in people from African populations, and is about 1 to 2 percent in people of European or Asian background

please help me asap!!!!!

Answers

Answer:

Explanation:

You best answer would be c

I went through all of the questions and C is the only clear straight forward and correct on hope the helps

PLZ HELP IM TAKING MY EXAM!! which of the following best explains the impact of mrna being double stranded before translation

Answers

Answer:

Impact of double-stranded mRNA before translation would inhibit the binding of tRNA to mRNA ti synthesize protein.

Explanation:

The mRNA is a molecule that, with the exception of viruses with double-stranded RNA, has only one chain. It is in charge of conducting to the ribosomes the sequence of nucleotides that makes possible the translation and the synthesis of proteins.

Once the ribosome translates the information of each codon of the mRNA, a transfer RNA (tRNA) molecule, with a complementary anticodon, provides the amino acid corresponding to the translated codon.

If the mRNA were double-stranded, the translation process would be altered, since binding of the tRNA with the amino acid it carries and mRNA codon would not be possible, as well as the protein synthesis.

The longer the wavelength
A. the more calm the wave
B. the shorter the wave
C. the faster the wave

Answers

B I think is the correct answer

Coral reefs are plants. True or false

Answers

Answer:

that is false coral are animals because corals don't make their own food but plants do. their actually made up of thousands of tiny animals called polyps.

Explanation:

Which of the following is an example of specific immunity?

Answers

Answer:

Immunity to Small Pox

Explanation:

Over the years, Europeans had built up an immunity to smallpox because many had contracted the disease and still survived. As the population grew children were born with some immunity to the disease. When the Europeans arrived in the Americas, and smallpox spread around the native peoples, the Europeans did not contract the disease because they were immune. However, since the natives were not immune, they slowly died of due just to the disease as well as some parts of the war between the europeans.

what are 6 hevy metals that can be taken up by plants

Answers

Answer:

Cd, Cr, Cu, Hg, Pb, and Zn

The process by which a nucleus divides into two new identical nuclei is called-

Answers

nuclear fission..................

Is it called mitosis.

Biology Unit Three Inhe
Identify the correct transcriptions between DNA to mRNA
CTGACTGACC to GACUGACUGG
OGGATCTCTCA to CCTAGAGAGT
TACTACGGAT to UTGUTGCCTU
AGCTCCGATC to UCGAGGCUAG
OGCTAATCGAT to CGAUUAGCUA
CATCTATGAG to GTUGUTUCTC
No

Answers

Answer:

CTGACTGACC to GACUGACUGG

AGCTCCGATC to UCGAGGCUAG

GCTAATCGAT to CGAUUAGCUA

Explanation:

Transcription is the process whereby a DNA template is used to form a mRNA molecule in the nucleus following the complementary base pairing rule. The complementary base pairing rule as postulated by Chargaff states that an Adenine base will always pair with Thymine (Uracil in RNA) while Guanine base will always pair with Cytosine i.e A-U, G-C.

N.B: Thymine in the DNA will yield Adenine in the mRNA while Adenine in the DNA will yield Uracil in the mRNA.

Hence, according to this question, the following DNA templates will be transcribed as follows:

1. CTGACTGACC to GACUGACUGG

2. AGCTCCGATC to UCGAGGCUAG

3. GCTAATCGAT to CGAUUAGCUA

A golf cart changes velocity from 2m/s to 6m/s over a period of 2 seconds. What is the acceleration of the golf cart? \
A.
As voltage increases, current increases.

B.
As resistance increases, current increases.

C.
As voltage increases, resistance increases.

D.
All statements are correct according to the graph.

Answers

It is A as voltage increases, Current Increases

Are the Earth's seasons caused by the differences in the distance
from the Sun throughout the year or the tilt of the Earth's axis?

Answers

Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.

What are the four possible gametes if an organism has the genotype jjPp?

Answers

Answer:

Cannot understand

What is most
important for the formation of bone? *
A)Vitamins
B)Proteins
C)Minerals
D)Carbohydrates

Answers

Answer:

_______vitamins_______

46. A sample of human DNA is made up of approximately 30% adenine. Based on
this information, and the base pairing rules, approximately how much cytosine
found in human DNA?


A 70%
B 20%
C 30%
D 10%

Help please

Answers

Answer:

its A/F

Explanation:

A sample of human DNA is made up of approximately 30% adenine. The quantity of cytosine found in human DNA will be  20%. The correct option is B.

What is DNA base pairing?

DNA base pairing is the pairing or joining of DNA bases to each other with hydrogen bonds. There are four types of bases present in DNA. They are adenine, thymine, cytosine, and guanine.

Adenine pairs with thymine with double hydrogen bonds and cytosine joined with guanine with triple bonds of hydrogen. The pairing between these base pairs is alternated in the sequence of DNA.

According to the base pairing rule. There will be 100% of these bases present together. So if there is 30% adenine, there will be 30% thymine. The total becomes 60%. Now remain is 40%. So there will be 20 % cytosine and 20% guanine.

Thus, the correct option is B 20%.

To learn more about DNA base pairing, refer to the link:

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Frogs have 13 pairs of chromosomes. Complete this model by writing in the correct number of chromosomes for the sperm, egg, and fertilized egg of a frog. Then write in the type of cell division taking place in the two phases shown in the model.

Answers

Explanation:+13 chromosome from sperm +13 chromosome from egg equals 26 chromosomes for fertilized egg Cell division for growth is mitosis.

Answer:

Explanation:+13 chromosome from sperm +13 chromosome from egg equals 26 chromosomes for fertilized egg Cell division for growth is mitosis.

Explanation:

Question 1(Multiple Choice Worth 4 points) (01.03 LC) Organic molecules are sometimes found within meteorites that crash into Earth. Which meteorite condition in space is similar to what most likely was present in Earth's early atmosphere? Abundance of oxygen Very cold temperatures Presence of inorganic molecules Low levels of ultraviolet radiation

Answers

Answer:

Presence of inorganic molecules

Explanation:

Earth's primitive atmosphere contained a mix of different inorganic compounds (gases) including, among others, water vapor (H2O), carbon dioxide (CO2), ammonia (NH3), methane (CH4), etc. It has been proposed that these inorganic molecules would generate the conditions needed to form a "primordial soup" of organic molecules (i.e., RNA nucleotides, amino acids, etc). Subsequently, this soup would accumulate in water bodies of the primitive Earth due to endogenous abiotic syntheses and the delivery caused by comet/meteorite collisions.

Answer:

C. Presence of inorganic molecules

Explanation: i took the test and got it correct :)

What happens during cell differentiation?
Mutated cells are destroyed.
Cells are organized into organ systems.
Cells become specialized to perform different tasks in the body.
Cells are transformed from one type of cell to another.

Answers

Answer:cells are transformed from one type of cell to another ?

Explanation:

What type of organisms are most likely to be found as fossils?

Answers

Organisms with hard parts such as a mineralized shell, like a trilobite or ammonite, are much more likely to become fossilized than animals with only soft parts such as a jellyfish or worms.

Organisms with hard body parts such as a mineralized shell are much more likely to become fossilized as har parts are not fed by scavengers.

Types of organisms that are most likely to be found in the fossils have completely made up of hard bodies or at least some hard body parts.

The deposit of sediments and the finer the sediment deposited the likelier fossilization is to occurThe hard parts of organisms, for instance, bones, and teeth have had becoming fossils.Scavengers normally leave such hard parts, however, they also decay with time but this gives more time to be buried in sediments.

These hards parts have better chances than the organisms with soft body parts to be found in fossils.

Learn more about fossils:

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but can you guys help me with this question pls it on a picture and I need a answer and a person to explain why is it that answer

Answers

One(1) oxygen atom is present in an H2O molecules 2hydrogen atoms bind to a singular oxygen atom

Which of these is NOT a disease caused by bacteria?

A. Stayhyococcus aureus

B. streptococcus pneumonia

C. Hemophilus Influenzae

D. Penicillium erythromycin ​

Answers

Answer:

A

Explanation:

Please answer quickly, timed test!!
Which term is correctly paired with its role in the body?

A) insulin – a sugar that regulates blood glycogen levels
B) ADP – a molecule that releases energy when it forms ATP
C) glycogen – a hormone found in blood that regulates blood glucose levels
D) glucose – a sugar found in blood that can be broken down to produce ATP

Answers

Answer:

D.

Explanation:

insulin is not found in the body

Answer:

D

Explanation:

because glycogen is NOT a form of sugar so insulin wouldn't regulate it the other person knows nothing about the body (no offense)

plz give thanks and rating and if you want to give brainlist

Suggest what might happen if cells grow and reproduce in an environment where no cholesterol is available.

Answers

Cell walls provide support and protection for plant cells and the plasma membrane maintain homeostasis

Explanation:

If cells grow and reproduce in an environment where no cholesterol is available than cell walls provide support and protection for plant cells and the plasma membrane maintain homeostasis.

What is plasma membrane?

Cell membrane has been defined as a wall that differentiate and protect the inner structure of the cell from the outer environment. The main function of the cell membrane has to keep away the toxic material out of the cell. The cell membrane contain the channels as well as receptors that gives permission to only selective permeable membrane to enter into the cell.

Cells must maintain homeostasis to survive. To do this cells use various processes. One process keeps the right amount of water inside the cell. A cell takes in the same amount of water as it looses describe that it is maintaining homeostasis by keeping it's water concentration level.

Therefore, If cells grow and reproduce in an environment where no cholesterol is available than cell walls provide support and protection for plant cells and the plasma membrane maintain homeostasis.

Learn more about plasma membrane here:

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The gustatory system is the sensory system that deals with smell. True or False

Answers

Answer:

False gustatory system is the system or sense of taste

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