how many linkage groups are present in a female human?

Answers

Answer 1
There’s 23 linkage groups in a female human: there’s 46 chromosomes,22pairs of autosomes and one pair homomorphic chromosomes(46-22-1=23)

Related Questions

a movement away from the midline of the body is termed

Answers

Answer:

A movement of a body part away from the midline, either of the body as a whole or that of the hand or foot, is termed abduction (L., to carry away). A movement of the body part back toward the midline (i.e., to the anatomical position) is known as adduction.

Explanation:

Mark me brainly please.

Abduction is a movement away from the body's midline. Abduction is the term for a bodily part's lateral movement away from the body's midline.

Thus, body parts are divided or spread apart in this process. Abduction of the arms, for instance, occurs when you raise your arms from a resting posture and spread them out to the sides. Similar to this, you are practicing leg abduction when you stretch your legs apart.

Adduction, or the movement in the direction of the midline, is the reverse of this action. Important terminology like abduction and adduction are used to describe movement in respect to the body's midline in anatomical and physiological descriptions.

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The effects of this type of severe weather can include tress blown over by high winds, flooding caused by heavy rains, and damage to coastal areas caused by storm waves. What type of severe weather does this describe?
A. tornado
B. thunderstorm
C. blizzard
D. hurricane

Answers

The answer is: B - thunderstorm.

Answer:

thunderstorm

Explanation:

Which of the following is (are) part of a systemic immune response?
I. A fever
II. An increase in white blood cells in the body
III. An inflammatory response
I only
II only
III only
I and II only
I, II, and III

Answers

Answer:

The answer is I ,II and III

How do organisms remain highly organized in spite of the tendency toward entropy

Answers

Answer:Energy stored by organisms in organic molecules

Explanation:

In sexual reproduction, will an offspring show a recessive trait if just one of its parents has recessive alleles for that trait? Explain your answer.

Answers

Answer:

No, they will not

Explanation:

In this question, we assume that the parents have genotypes of rr and RR (I use "r" out of convenience). If we cross both of these parents, it is impossible for any of the offspring to be rr like the one parent. They would all be heterozygous. If the other parent had a single recessive allele, then it would be possible.  

Hope this helps!

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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Is scientific law a proven concept? Explain why or why not.​

Answers

n general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research.

If a deletion occurs in a gene that encodes DNA polymerase I and no functional DNA polymerase I is produced, what will be the MOST likely consequence of this mutation

Answers

5’—>3’ DNA polymerase
3’—>5’ exonuclease : DNA repair
5‘—>3’ exonuclease : primer removing
All of the functions mentioned above may disable.

a neuron that synapses in the adrenal medulla is a ___________ neuron, and releases the neurotransmitter ___________.

Answers

Answer:

preganglionic; acetylcholine (ACh)

Explanation:

What is needed for natural selection to occur? select all that apply.

Answers

reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.

A(n) _____ is a type of cancer-causing gene that promotes cancer by activating cell division at an inappropriate time or place.

Answers

This bad gene is called oncogene

The movement of water dissolved minerals , and food and other organic molecules in a plant is called

Answers

Xylem is the correct answer.

Write the function of nucleus in the cells of organism​

Answers

Answer:

The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus.

Explanation:

HOPE IT HELPS...............

For the cross AaBb X Aabb in which capital letters represent dominant alleles and lower case letters represent recessive alleles, what fraction of the offspring are expected to have the recessive phenotype for the trait determined by gene A and the dominant phenotype for the trait determined by gene B?

Answers

Answer:

2/16 or 1/8 (simplified)

Explanation:

Check the image attached

lon khoáng nào đóng vai trò đặc biệt quan trọng trong quá trình đông máu?

Answers

Answer:

1. Xét nghiệm yếu tố đông máu để làm gì?

Để đánh giá khả năng đông máu như thế nào và quá trình đông máu kéo dài trong thời gian bao lâu, các bác sĩ sẽ tiến hành xét nghiệm các yếu tố đông máu.

Quá trình đông máu sẽ bảo vệ cơ thể bạn khi bị chảy máu. Tuy nhiên, nếu một cục máu đông hình thành trong tĩnh mạch bình thường thì đây là điều hết sức nguy hiểm vì có thể khiến cho dòng máu bị chặn đến tim, não, phổi.

Khi thực hiện xét nghiệm các yếu tố đông máu, sẽ biết được nguy cơ bạn bị chảy máu quá nhiều khi bị thương hay không hoặc có nguy cơ bị đột quỵ không.

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2. Các yếu tố đông máu gồm những gì?

Fibrinogen

Fibrinogen là yếu tố ảnh hưởng lớn đến quá trình đông máu

Sau đây là các yếu tố ảnh hưởng đến quá trình đông máu:

I - Fibrinogen: Fibrinogen là huyết tương có trọng lượng phân tử là 340.000, hòa tan được. Yếu tố này có mặt trong huyết tương với nồng độ là từ 100-700mg/ 100mL. Đa số Fibrinogen được tạo ra ở gan, vì thế đối với những bệnh nhân bị bệnh gan thì lượng Fibrinogen giảm trong máu tuần hoàn, sự đông máu bị ngăn cản.

II- Prothrombin: Prothrombin là protein huyết tương có trọng lượng phân tử là 68.700, có mặt trong huyết tương với nồng độ là 15mg/100mL. Gan sản xuất Prothrombin liên tục, chính vì vậy nếu gan bị suy yếu, lượng prothrombin sẽ giảm, gây ức chế sự đông máu.

III- Thromboplastin mô: Yếu tố này tham gia vào cơ chế đông máu ngoại sinh, thay thế phospholipid tiểu cầu và các yếu tố huyết tương. Bên cạnh đó, thromboplastin còn có tác dụng chống nhiễm khuẩn.

IV- Ca++: Quá trình đông máu không thể không có mặt của loại ion này.

V- Proaccelerin: Khi có nhiều ion Ca++ thì yếu tố này mất hoạt tính. Khi không có proaccelerin, người ta điều chế huyết tương bằng cách để lâu huyết tương lấy từ máu chống đông với oxalat.

VII- Proconvertin: Trọng lượng phân tử của yếu tố này là 60.000. Hoạt tính của yếu tố này trong huyết tương sẽ bị giữ lại trên màng lọc amiang;

VIII- Antihemophilic A: Để tổng hợp yếu tố này, phụ thuộc vào rất nhiều gen trong các nhiễm sắc thể khác nhau. Thường thì antihemophilic được tổng hợp chủ yếu từ gan, lá lách và hệ thống võng nội mô. Khi thiếu ion Ca++ thì yếu tố này mất hoạt tính. Đây là yếu tố chống huyết hữu B;

IX- Antihemophilic B: Chống huyết hữu A.

X- Stuart: Stuart có trong huyết tương, ở dưới dạng không hoạt động. Trong quá trình đông máu nội sinh có sự tham gia của yếu tố này. Khi cho thromboplastin mô vào quá trình đông máu ngoại sinh, sẽ không còn yếu tố stuart.

XI- Plasma Thromboplastin Antecedent (PTA): Quá trình khởi phát đông máu nội sinh không thể thiếu yếu tố PTA.

XII- Hageman: Động lực để tạo thành một loạt phản ứng dẫn đến đông máu là sự tiếp xúc giữa yếu tố XII với mặt trong mạch máu tổn thương cùng sự có mặt của phospholipid tiểu cầu. Bên cạnh chức năng hoạt hóa hệ đông máu, Hageman còn hoạt hóa hệ đông máu, hệ bổ thể và hệ chống đông.

XIII - Fibrin Stabilizing Factor ( FSF): yếu tố này có hoạt tính bền vững trong huyết tương, ổn định fibrin.

Explanation:

3. The organelle that releases large amounts of energy to assist active transport in cells ?​

Answers

Answer:

The main function of the mitochondria is to provide energy for cellular activity by the process of aerobic respiration.

Explanation:

glucose is broken down in the cell's cytoplasm to form pyruvic acid, which is transported into the mitochondrion

Polysaccharides, triglycerides, and proteins are similar in that they?
a) all contain nitrogen in other monomer building blocks
b) are decomposed into their subunits by dehydration reactions
c) are synthesized from subunits by dehydration reactions
d) are synthesized from monomers by the process of hydrolysis

Answers

Answer:

d

Explanation:

po ang tamang sagon po

which division of the autonomic nervous system is responsible for conserving energy and replenishing nutrient stores?

Answers

Answer:

parasympathetic division

Explanation:

The parasympathetic system functions during rest of the somatic system and is responsible for anabolism and restoration of energy stores.

(LO 1.6) Assume a person just drank a glucose solution and is sitting quietly.
Injecting insulin would cause compared to when there was no insulin
injected.
m

Answers

Answer:

more glucose to move into cells in muscles

Explanation:

what is located in the autonomic nervous system

Answers

Answer:

It contains three anatomically distinct divisions: sympathetic, parasympathetic, and enteric.

Explanation:

The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS) contain both afferent and efferent fibers that provide sensory input and motor output, respectively, to the central nervous system (CNS). Generally, the SNS and PNS motor pathways consist of a two-neuron series: a preganglionic neuron with a cell body in the CNS and a postganglionic neuron with a cell body in the periphery that innervates target tissues. The enteric nervous system (ENS) is an extensive, web-like structure that is capable of function independently of the remainder of the nervous system. It contains over 100 million neurons of over 15 morphologies, greater than the sum of all other peripheral ganglia, and is chiefly responsible for the regulation of digestive processes.

what type of ions carry the impulse across the synapse from one neuron to the next ?

Answers

It's the sodium ion.

When a neural impulse is fired in both neurons, it is always cause by an excited electron in one neuron moving to the other neuron to destabilize the balance of ions trying to keep them at equilibrium. This action either depolarizes or hyper-polarizes the membrane. If it does, then sodium ions--the key deficient ones--can flow into that region of low charge and maintain that state of low charge, keeping the cell membrane stable.

the ventral rami of spinal nerves ________ form the major nerve plexuses.

Answers

Answer:

The blank is:

C1 through T1 and L1 through S4

Hope this Helps

4. What would have the most biodiversity, a rainforest with lots of different
animals and plants or a crop of green beans?

Answers

Answer:

A rainforest with lots of different  animals and plants.

Explanation:

bioDIVERSITY

Diversity: a range of different things.

the organ of smell and taste are closely related discuss?

Answers

Answer:

They are closely related because the bose and mouth are connexted through the same airway. You taste and smell at the same time.

How to treat Scalp acne?

Answers

Answer:

1. Treat acne on the head with benzoyl peroxide

2. Use salicylic acid to clear pores

3. Use AHA to treat acne on the head

4. Cleanse the scalp with sulfur

5. Use a retinoid to apply to acne spots

Explanation:

The ______ contain the neurotransmitter, located in the _________. Neurotransmitter will be released only if the neuron sends a(an) ________.

Answers

Answer:

Is contained in the synaptic vesicles.

Located in the axon terminal of the presynaptic neuron.

Explanation:

Neurotransmitters are stored in the synaptic vesicles, clusted closed to the cell membrane at the axon terminal of the presynaptic neuron.Neurontransmitters are released into and diffuse across the synaptic cleft, where they bind to specific receptors on the membrane of the postsynaptic neuron.

"Hope this helps".

What is Darwin's theory called?
Describe the basic ideas behind his theory.

Answers

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Darwinism, theory of the evolutionary mechanism propounded by Charles Darwin as an explanation of organic change. It denotes Darwin's specific view that evolution is driven mainly by natural selection.

Which statement is supported by the atomic theory? A. Atoms combine to make all the substances on earth

Answers

Answer:

this is not true.

B) atoms of all substances are identical in all respects..

Dalton's theory said - all atoms of one substance are identical.  Atoms of different elements differ.

Explanation:

The answer will be b

we inhale o2 and we exhale co2. carbon dioxide is produced __________.

Answers

Probably “anaerobically”

fundamental similarity due to descent from a common ancestor is called

Answers

Answer:

fundamental similarity due to descent from a common ancestor is called homology.

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