Answer:
A
Explanation:
Sexual requires two parents and will increase genetic variation
Hope this helps
Answer:
2nd one
Explanation: Dont have one
Using the allele symbols in the table, identify the genotype of a guinea pig that is recessive for hair length, heterozygous for hair color, and homzygous dominant for hair texture.
Answer:
Hair length: hh
Hair color: Bb
Hair Texture: RR
Explanation:
In order for the recessive gene to show for hair length, two of the same alleles must be present, so, in this case, hh.
The question states "heterozygous for hair color." This tells you that the genotype will be Bb. Heterozygous means two of the different alleles. This is different from homzygous.
The question states "homzygous dominant for hair texture." This tells you that it will contain two of the same alleles. The question also tells you that it is homzygous dominant, which means there will be two of the same dominant alleles, so, RR.
How is efficiency related to systems?
Which of the following can be described as the following: Similar development of a trait in distinct species, originating from a common ancestral condition
A Coevolution
B Parallel Evolution
C Divergent Evolution
D Convergent Evolution
What is the meaning of the word subtle as it is used in stanza 5 to describe the
spider's web?
А
very colorful
B
hard to see
C
large enough to catch the fly
extremely sticky
D
The crust is the thickest layer of the earth true or false
Answer:
The crust is not the thickest layer of earth
:)
Answer:
No
Explanation:
The core is the thickest layer of the earth! Which the crust is relatively thin compared to the other layers
Mutations to the MGR gene can lead to one of several forms of the genetic muscle and tissue disorder called Gaucher’s Disease. Which of the following treatments would best target the damaged gene?
Radiation
Chemotherapy
Cloning
Gene Therapy
Answer:
Pretty sure its Gene Therapy
Explanation:
Match the correct letters:
Walls are impermeable to water:___
Site of filtration:___
Contains receptors responsive to ADH:___
Passive reabsorption of Na+:___
Contains blood rich in urea:___
Glucose is reabsorbed into the blood:___
Secretion of drugs such as penicillin takes place here:___
Afferent arteriole:___
➠ Wall are impermeable to water : cork.
➠ Site of filtration : glomerulus.
➠ Contains receptors responsive to ADH : hypothalamus.
➠ Passive reabsorption of Na+ : lumen.
➠ Contains blood rich in urea : liver.
➠ Glucose is reabsorbed into the blood : proximal tubule.
➠ Secretion of drugs such as penicillin takes place here : renal tubles.
➠ Afferent arteriole : tubuloglomerular.
describe an acquired trait, and how is it related to the environment
Answer:
Explanation:
A trait that is not inherited; one resulting from the effects of the environment. See also: trait.
An acquired characteristic is a non-heritable change in a function or structure of a living organism caused after birth by disease, injury, accident, deliberate modification, variation, repeated use, disuse, misuse, or other environmental influence.
Environmental factors influence traits in plants and animals. These traits include things like weight, height, size, and color. If a child does not get proper nutrition, their height may be stunted as an adult.
One partner in a sexual relationship has HIV. How can the couple prevent the other partner from contracting HIV?
Answer:
using a condom
Explanation:
If a gene has only one allele, how many different traits can the allele produce?
A. 2
B. 1
C. 3
D.O
PLEASE ANSWER 50 POINTS!
Answer:
B) an allele is a form of a gene. If there is only 1 allele, there is only 1 phenotype.
Explanation:
can some help me with this question bc no one answered it before for me
Fungi can appear in what two forms?
Yeast and Hyphae
Explanation:
Hormones for glucoregulation are secreted by a gland called??
HELP ASAP PLZ
Answer:
Pancreas ( ilets of Langerhans)
Explanation:
Which of the following organs is a part of the circulatory system? A. liver B. kidney C. stomach D. heart
Answer:
The heart would be the answer
Answer:
(D) Heart
Explanation:
how humans changed the balance of the park ecosystem.
Answer:
Changing the environment can upset the balance in ecosystems.
Explanation:
Maintaining homeostasis keeps the internal environment in the body functioning properly. Many organ systems work together and maintain energy homeostasis. The digestive system is concerned with processing the food that we take in to provide essential nutrients to the rest of the body. Which of these body systems works most directly with the digestive system in the absorption of nutrients?
A) urinary system
B) endocrine system
C) respiratory system
D) cardiovascular system
Answer:
D
Explanation:
However, the organ systems also work together to help the body maintain homeostasis. For example, the cardiovascular, urinary, and lymphatic systems all help the body control water balance. The cardiovascular and lymphatic systems transport fluids throughout the body and help sense both solute and water levels and regulate pressure.
What would happen to zygote if the egg and sprem cells weren't formed with the correct number of chromosomes?
Answer:
A zygote can end up with one fewer chromosome than normal because one of the fertilizing gametes was missing a chromosome. This deletion, called nondisjunction, happened while the gamete was forming.
Explanation:
The nervous system is the major ______ system of the body.
A. output
B. control
C. transport
D. protective
Answer:
B. Control
Explanation:
PlLEASE HELP ME> I NEED THIS ANSWER RIGHT NOW. The bass and crayfish likely “died off” because the rapid growth of the algae eventually caused the level of dissolved oxygen to decline to a point that these oxygen-dependent organisms could no longer survive. How would you modify this investigation of the pond organisms to determine if the algal bloom really was the cause of the bass and crayfish die-offs?
Answer:
bacteria blooms and decreased underwater photosynthesis causes hypoxia, killing the fish. c. floating algae die, increasing sunlight penetration and heating the water. ... This has led to algal blooms in the pond which periodically reduce the amount of dissolved oxygen available in the water
Explanation:
mrk me brainliest plzzzzz
3. For each environment below, describe why you think it would have a high or low
rate of speciation.
A rugged mountain terrain (1 points)
w
A large, open forest (1 points)
An island in the ocean (1 points)
Answer: forest high
island high
moutant low
i don't know
Please help.
Measures to prevent landslides.
I need 10 points.
Answer:
deleted?
Explanation:
whaaaat how can youbask
The fifth grade craft club is making aprone to sell
Each apron take 1.25 yards of fabrie that costs $3
per yard and 4.5 yards of trim that costs $2 per yard,
What does it cost the club to make one apren? If the
club wants to make $1.75 profit on each apron how
much should they charge per apron?
Answer:
Each apron costs $ 12.75, and to make a profit of $ 1.75 they should be sold for $ 14.50.
Explanation:
Since the fifth grade craft club is making aprons to sell, and each apron take 1.25 yards of fabric that costs $ 3 per yard and 4.5 yards of trim that costs $ 2 per yard, to determine what does it cost the club to make one apron, and, if the club wants to make $ 1.75 profit on each apron, how much should they charge per apron, the following calculations must be performed:
1 apron = 1.25 yards of fabric at $ 3 per yard and 4.5 yards of trim at $ 2 per yard
1.25 x 3 + 4.5 x 2 = X
3.75 + 9 = X
12.75 = X
12.75 + 1.75 = 14.50
Therefore, each apron costs $ 12.75, and to make a profit of $ 1.75 they should be sold for $ 14.50.
Check picture please.. help me !!!!
Answer:
a. HH HH
HH HH = 100% black
b. Hh Hh
Hh Hh = 100% blue
c. Hh Hh
HH HH = 50% white or black & 50% blue
Explanation:
I did biology last year as a freshman... hopefully this is correct. <3
All of the following are examples of chemical weathering reactions/agents except?
Answer:
15: A
Explanation:
Because abrasion is physical weathering while the other use the CHEMICAL agents of oxygen hydrogen and sulfuric acid
Ethics focuses on moral issues. Using ethics, people attempt to determine what is good and bad or what is right and wrong.
Which of the following questions involves ethical considerations?
A.
Should people be permitted to have in vitro fertilization?
B.
Should unborn children be tested in the womb for genetic disorders?
C.
Should scientists be permitted to genetically modify plants?
D.
all of these
Answer:
D. all of these.
Explanation:
All of these are the questions that involves ethical considerations because the method used in these questions are not doing naturally. Vitro fertilization is the fusion of woman's egg with the sperm of male outside the uterus of women which is unethical. Testing of unborn children in the womb for genetic disorders and producing genetically modify plants are also unethical because it does not occur naturally. It occurs due to intervention of humans in God's creation.
All of the following are used by taxonomists to create evolutionary links between species EXCEPT
Select one:
a. analogous structures
b. the fossil record
c. molecular data
d. vestigial structures
The fossil record, molecular data and vestigial structure would help taxonomists to create evolutionary links between species except analogous structures.
What do you mean by fossil record?"A fossil record is a group of fossils which has been analyzed and arranged chronologically and in taxonomic order."What is molecular data?"Molecules such as sequence of DNA used in studies of intra-specific variation and studies of similarity among species."What is vestigial structure?"Structures that have no apparent function and appear to be residual parts from a past ancestor are called vestigial structures."What do you mean by taxonomists?"Taxonomists are professionals who specialize in classifying and sorting information based on similar characteristics and patterns."What are analogous structures?The structure of different species performing similar function but are from different origin (do not have common ancestor).The fossil record, molecular data and vestigial structure all would help taxonomists to find evolutionary links between species where through analogous structures no links would be created.
Hence, the correct option is a. analogous structures.
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Which of the following is not a health risk associated with ozone?
A) skin cancer
B) cataracts
C) obesity
D) respiratory illneses
Answer:
obesity
Explanation:
The following that is not a health risk associated with ozone is obesity. The correct option is C.
What is ozone?Ozone is a trioxygen inorganic molecule that is of pale blue color. The ozone layer is present in the stratosphere of the atmosphere. It absorbs the UV rays coming from the sun. Thus, it is a protective layer that saves from UV rays.
UV rays are harmful rays that affect health. It creates skin problems and many other health problems. So the ozone layer protects us from UC radiation, it acts as a shield.
Obesity is a condition in which the body becomes fat. It happens with the accumulation of fat in the body. This does not occur with UV rays. It occurs due to food. So this will not be a health risk associated with ozone.
Thus, the correct option is C. obesity.
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Explain why a topographic map has a key.
Topographic maps represent the locations of geographical features, such as hills and valleys.
What do you mean by topographic maps?Topographic maps use contour lines to show different elevations on a map. A contour line is a type of isoline; in this case, a line of equal elevation.
In modern mapping, a topographic map or topographic sheet is a type of map characterized by large-scale detail and quantitative representation of relief features, usually using contour lines.
A topographic map is a detailed and accurate illustration of man-made and natural features on the ground such as roads, railways, power transmission lines, contours, elevations, rivers, lakes.
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In Western Pennsylvania, and many other areas, deer are becoming a pest.
a.) True
b.) False
Refer to Figure 12-2. Which of the following is the series of amino acids encoded by
the piece of mRNA: AUG UCU UGC
A
val-ser-leu
B
meth-ala-leu
с
thre-leu-gly
D
meth-ser-cys
Answer: D
Explanation:
Okay so look at the diagram. Start from the middle and work your way out.
AUG: I find A in the middle (the first four) and then go to the part of the diagram that has U right under the last letter you had, so A. And do the same for U, and you should get methionine.
Repeat this process for the other two.