Which explanation best describes why sexually reproducing organisms have greater genetic
variation than asexually reproducing organisms?
Helppp
Answers
Answer:
think of it this way lol
Explanation:
In asexual reproduction, you are essentially producing clones of the parent. There is no genetic variation between parent and offspring - think of mitosis.
In sexual reproduction, you have several chances for genetic variation. The first occurs in meiosis 1, when homologous pairs line up and crossing over occurs. Then in meiosis 2, different combinations of chromosomes (some from mother, some from father) could end up in the gamete cells. Finally, when the gametes (egg and sperm/spore) come together in fertilization, that represents a brand new combination of chromosomes, and therefore alleles, than either of the parents had.
Related Questions
Why are only some plants sexually produced?
Answers
Answer:
Explanation:
This is because some plants grown by seeds which is as a result of fertilization or fusion of the male and female gametes. Seeds carries the genetic information. These sexual reproduction lead to formation of offsprings which have different genetic information from the parent or that are genetically different from the parent and these help them to survive or thrive and adapt in various environment.
Green plants are able to make their own food from
simple raw materials around them. This process is
called Blank
The
energy
needed for
photosynthesis comes from the B
LC с is a substance that absorbs sunlight.
The light energy is able to
carbon dioxide
and
E into F The
sugars are the
plant's G Oxygen is made as a H Н.
product.
Answers
Answer:
E
into G oxygen is made as a H H
Which of the following would be considered the strongest evidence that two species are related to one another?
a. common structures
b. shared taxon
c. similar genes
d. same extinction pattern
Answers
I NEED HELP ASAP! Which of the following is true of variation?
Select one:
a.
It is necessary for natural selection.
b.
It exists in almost all populations.
c.
It is caused by mutations and sexual reproduction.
d.
All of the choices are correct.
Answers
Answer:
all of them are correct
Variations are essential for natural selection to occur. It exists in almost all populations. It is caused by mutations and erotic reproduction. Hence, all of the choices are correct.
What do you mean by Mutation?A Mutation may be defined as the sudden, stable, and inheritable changes in the genetic material of an organism.
Variations provide the favorable traits that induce natural selection. Variations are caused by mutations, gene flow, and erotic reproduction. It exists in all life forms present on the earth.
Sometimes, variations decide the relative fitness of an organism and thus natural selection occurred.
Therefore, the correct option for this question is D.
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CAN SOMEONE PLZ ANSWER THIS
Answers
Answer:
b
Explanation:
Select all the statements that correctly describe the difference between DNA and RNA.
A) RNA nucleotides contains uracil instead of thymine as in DNA
B) DNA consists of two strands of nucleotides while RNA has one
C) RNA consists of phosphate group while DNA has nitrogenous group
D) DNA nucleotide comprises deoxyribose sugar while RNA consists of ribose sugar
E) DNA nucleotides contain and adenine-uracil base pairing
F) RNA is more complex than DNA because it has more types
Answers
Answer:
A,B,D,
Explanation:
C,E and F are wrong
Answer:
DNA has thymine as a nucleotide, while RNA has uracil.
Explanation:
The DNA nucleotides are adenine, guanine, cytosine, and thymine; the RNA nucleotides are adenine, guanine, cytosine, and uracil.
At the beginning of the night, the moon is low in the sky. Later in the night, it is high in the sky. Explain why the moon appears to move in the sky.
a. Earth is revolving the sun.
b. Earth is rotating in space.
c. The moon is rotating on its axis.
d. The moon is moving toward Earth.
Answers
Answer:
C
Explanation:
I think it is C because the moon revolves around the Earth.
_________ are weak bonds that hold the two strands of DNA together, but also allow the DNA to separate and replicate.
Answers
Answer:
hydrogen bonds!
Explanation:
taking the exam rn :)
Which geometric solid is the best model for these cells?
GOED DOO
A. A sphere
B. A cube
C. A right circular cylinder
D. A square pyramid
Answers
Answer:
Mostly likely a CUBE
Explanation:
So B ( :
In which part of the cell cycle do the mitotic spindles assemble, bind to chromosomes, and move the sister chromatids apart?
Answers
Answer:
M phase
Explanation:
Answer:
b
Explanation:
Which of the following are classified as
moderately-restricted?
A. National Historic Sites
B. National Wildlife Refuges
C. National Monuments
D. National Mall
Answers
If you cross two heterozygous Yy pea plants, what proportion of the offspring will be the dominant color yellow?
Answers: 50%, 25%, 75%, 0%
Answers
Answer:
The possible genotypes are: YY, Yy, Yy, yy
The proportion of the offspring with the dominant color is 75%
The cross two heterozygous Yy pea plants, the proportion of the offspring will be the dominant color yellow is the possible genotypes are: YY, Yy, Yy, yy. The proportion of the offspring with the dominant color is 75%. Thus, option C is correct.
What are the cross between heterozygous?If you cross a heterozygous organism with another heterozygous organism, pair two Tt and Tt. Below is a punnet square to show the result:
T t
T TT Tt
t Tt tt
This actually means that you have two heterozygous recessive and one homogenous dominant and one homogenous recessive. Genetics has known as the study of the heredity as well as the variation of the inherited the characters and the genetic properties and the organism's feature and the characteristics. It has also known as the branch of biology that deals with the study of genetic variation, genes, and the heredity in the organisms.
Therefore, the cross two heterozygous Yy pea plants, the proportion of the offspring will be the dominant color yellow is the possible genotypes are: YY, Yy, Yy, yy. The proportion of the offspring with the dominant color is 75%. Thus, option C is correct.
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which of the following statement(s) are true about the atoms of any element? a. the number of protons in an atom of an element is unique to each element b. the number of protons and neutrons in ana atom of an element is unique to each element c. a proton is an atom of one element that is identical to a proton in an atom of another element d. the number of protons in an atom of an element is the same for all elements
Answers
Answer:
I think it's A
Explanation:
I'm guessing but i feel like it's def not D
b. “Glycolysis occurs in the cytosol of the cell and does not require
oxygen.” Other word(s) for require:
Answers
I WILL GIVE BRAINLIEST IF SOMEONE ANSWERS WITHIN FIVE MINUTES!!!
Which of the following is NOT an output for cellular respiration? Select all that apply.
glucose
oxygen
carbon dioxide
water
ATP
solar energy
Answers
Answer:
Glucose, oxygen, and ATP (energy)
Explanation:
Hii! It finally let me put the answer XD. Here are the notes i had on this:
Inputs - Carbon dioxide, water, and sunlight (solar energy)
Outputs - Glucose (food), oxygen, and ATP (energy)
I hope that this helps you out!! :)
What evidence indicates that all eukaryotes share common ancestry?
Linear chromosomes and genes that contain noncoding introns
Circular chromosomes and cells that contain membrane-bound organelles.
Circular chromosomes that do not have terminal ends
Vestigial structures and circular chromosomes
I think is A
Answers
The evidence that show that all Eukaryotes share common ancestry is Linear chromosomes and genes that contain noncoding introns
What are Eukaryotes?Eukaryotes refer to organisms in which their cells have a nucleus that is surrounded by nuclear membrane. Eukaryotes have membrane bound organelles and Eukaryotes belong to the domain Eukaryota or Eukarya. The domain Eukaryota is one of the three domains of life which are bacteria , archaea domains.
Therefore, The evidence that show that all Eukaryotes share common ancestry is Linear chromosomes and genes that contain noncoding introns.
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Need help with my science homework please and thank you
Answers
Answer:
I think its the first one
Explanation:
How do sprinters receive enough energy to sprint?
Answers
Answer:
As the fastest way to get ATP for muscle contraction, the phosphagen system is the predominant energy system used for races lasting up to 10 seconds. The muscles of sprinters like Maurice Greene, who has run 100 meters in 9.79 seconds, are great at producing ATP via the phosphagen system.
Explanation:
Isabella liked to sunbathe. However, after she learned that ultraviolet rays are a cause of environmental mutations, she decided to stop sunbathing When can an acquired mutation be passed from parent to offspring? O A only if the mutation occurs in the sex cells B. only if the mutation occurs in the y-chromosome C. only if the parent has an acquired mutation in the autosomal chromosome D. only if both parents do not have the mutation in the sex cells
Answers
Answer:
O A only if the mutation occurs in the sex cells
Explanation:
Mutations can be defined as genetic changes that occur in the DNA sequence of the genome of an organism. Mutations can be classified into two main types: 1-somatic mutations, which occur in somatic cells that form the body of the organism, and 2-germ-line mutations, which occur in sex cells or gametes (i.e., egg and sperm cells). Only germ-line mutations can be passed on to offspring and it occurs when a mutated gamete (either a sperm or an egg) comes together to form a diploid (2n) zygote.
The incidence of MRSA, methicillin-resistant Staphylococcus aureus, has increased in the last twenty years. The rise of MRSA strains is significant, and MRSA infections are often developed within the hospital system rather than outside of them. In terms of how MRSA strains developed, evaluate each statement below. Choose the statements that accurately describe how MRSA strains occurred. You may select ALL that apply.
A) Individuals that are admitted to the hospital are likely already carrying MRSA infections.
B) Hospitals treat patients with MRSA with drugs that cause the Staphylococcus aureus to mutate more rapidly.
C) Hospital systems provide a mechanism for extreme selection pressure with sterile technique and heavy use of antibiotics.
D) Staphylococcus aureus can transmit genetic components containing the methicillin resistance to offspring and other members of the population.
E) Staphylococcus aureus that was already genetically predisposed to be resistant to methicillin existed in small proportions of the original population. Eliminate
Answers
The incident of the MRSA describes the strains that occurred include :
The hospital systems provide a mechanism for extreme selection.The staphylococcus aureus can be transmitted into genetic components.Staphylococcus aureus is genetically predisposed to be resistant.What is methicillin?Methicillin is an antibiotic that was used for the treatment of bacteria that causes infection in organisms and is derived from penicillin. Being a narrow-spectrum antibiotic it was discovered in the 1960's.
The drug is resistant to the B lactam antibiotic. The hospital thus provides it with extreme care and can be used for genetic treatment.
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The statements that accurately describe how MRSA strains occurred are: Individuals that are admitted to the hospital are likely already carrying MRSA infections. Hospital systems provide a mechanism for extreme selection pressure with sterile technique and heavy use of antibiotics. The correct options are A, C, and D.
These claims draw attention to crucial elements involved in the emergence and dissemination of MRSA strains.
It is possible for someone to carry MRSA before entering a hospital, increasing the likelihood that an infection would take place there (Statement A).
Hospital systems, with their emphasis on sterile procedures and heavy reliance on antibiotics, produce a setting with high selection pressure that favours the survival and spread of MRSA strains (Statement C).
Staphylococcus aureus can also pass on genetic elements that are resistant to methicillin to offspring and other population members, aiding in the propagation of resistant strains (Statement D).
Thus, the correct options are A, C, and D.
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What region of the brain is the corpus callosum?
ОА
ОВ
Ос
OD
Answers
Answer:
The correct answer is C ❤️
Mendel cruzo plantas de guisantes (Pisum sativum) de flores rojas heterocigotas con otra de la misma especie pero de flores blancas recesiva. ¿Cuál seria el resultado ( fenotipo y genotipo)? Realiza el cruce pertinente.
Answers
Answer:
1/2 = 50% de la progenie será roja heterocigota, Rr1/2 = 50% de la progenie será blanca homocigota recesiva, rr.Explanation:
El gen que codifica para el color de flor es dialélicoEl alelo R es dominante y expresa color rojo en homocigosis y heterocigosis. El alelo r es recesivo y expresa el color blanco en homocigosis.Cruza: flores rojas heterocigotas con flores blancas
Parentales) Rr x rr
Fenotipo) Rojo Blanco
Gametas) R r r r
Cuadro de Punnett)
R r
r Rr rr
r Rr rr
F1) 2/4 = 1/2 = 50% de la progenie será roja heterocigota, Rr
2/4 = 1/2 = 50% de la progenie será blanca, rr.
How do ocean currents influence people?
A. Oceans currents influence climate
B. Oceans Currents influence plate tectonics
C. Oceans currents influence the local politics of an area
D. Oceans currents influence the length of the days
Answers
Answer:
I think it is option A
oceans currents influence climate
hope it helps
someone please answerrrr
Answers
Answer: Fortune tellers
Explanation:
explain what happens to the ecosystem and environment of an area if the suns raid iron is reduced
Answers
How does a population grow with unlimited food, space and water
Answers
Answer:
If there are unlimited food space and water, then whatever it is that is populating, will not die
Then it will reproduce causing the population to grow.
☁️ Answer ☁️
annyeonghaseyo!
Your answer is:
Exponentially, unless it has a predator.
Here's a meme to make you smile! ◕‿◕
Hope it helps.
Have a nice day noona/hyung!~ ￣▽￣❤️
In a cladogram, what represents the most recent common ancestor shared by a clade?
a. a mark by the clade's derived character
b. the overlapping of one clade upon another
c. the longest branch
d. the node where branches meet
Answers
Answer: It's D
Explanation:
Assume that this is one of Santhi's chromosomes obtained from a sample of her blood. This chromosome is composed of two chromatids joined by a centromere. Which of the following statements is INCORRECT? The cell that contains these sister chromatids must be diploid. The sister chromatids were formed by replicating a single chromatid. The sister chromatids were joined by fertilization, bringing together a maternal and paternal chromatid.
Answers
Answer:
The sister chromatids were joined by fertilization, bringing together a maternal and paternal chromatid.
Explanation:
Explain the difference between a cold front and a warm front.
Answers
Answer:
At an occluded front, the cold air mass from the cold front meets the cool air that was ahead of the warm front. The warm air rises as these air masses come together. Occluded fronts usually form around areas of low atmospheric pressure.
Height is a polygenic trait in humans. Which of the following statements best explains the genetics of this trait? O Height is controlled by more than one gene. Height is controlled by a single dominant gene. The gene for height is located on the X chromosome. The gene for height is located on the Y chromosome.
Answers
Answer: Height is controlled by more than one gene
Explanation:
Polygenic = multiple-gene inheritance. If you break it down into it's roots poly = many and gen = gene, which literally translates to many genes.
Answer:
Height is controlled by more than one gene
Explanation:
__