This illustration from an old textbook shows some of the over 150 different dog breeds that can be seen around the world today. How do you think all of these different breeds were developed? |

Q: In 2004, Hurricane Frances submerged several Caribbean islands, killing all of the brown anole…

A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…

Q: Ultraviolet rays in sunlight cause skin cancer. In today’s world, people of all skin colors, but…

A: Ultraviolet rays from the sunlight lead to skin cancer in people. It causes a mutation in the DNA of…

Q: Why do they look different? And why do they have different physical traits and phenotypes??

A: The DNA is the genetic material in living organisms that is made up of nucleotides. DNA is present…

Q: A geneticist is interested in whether asthma is caused by a mutation in the DS112 gene.The…

A: Population refers to the group of interest in any scientific study and sample determines its subset.…

Q: The late Garrett Hardin, a famous biologist, wrote that “Freedom to breed will bring ruin to us…

A: Garrett Hardin was an American biologist who is best known for his paper titled the tragedy of the…

Q: What are the effects of artificial selection during animal domestication?

A: Man and animals have always been living in harmony and man has been using animals for various…

Q: So if skin color selection is not related to cancer, what accounts for the difference in skin color…

A: Introduction Skin Colour Is Influenced By A Number Of Factors. The Reddening Induced By…

Q: Non-additive genetic factors make children less resemble their parents. true or false (reason in…

A: Heredity is the transfer of characters from one generation to another and it can be defined as the…

Q: Name the methods employed in animal breeding. According to you which of the methods is best? Why?

A: Introduction : Animal breeding is the method of placing two high-quality animals together to make…

Q: In one paragraph, using your own words, describe how natural selection led to polar bears evolving…

A: Introduction :- Natural selection is the process by which individuals with different phenotypes…

Q: interbreed

A: Yes. Proper interbreed is possible

Q: Chimpanzees, bonobos, and orangutans cannot speak like us because A: They are too stupid. B: Their…

A: Speech is a communication that is used to express our thoughts in words.

Q: Which of the following do NOT contribute to keeping low-fitness alleles in our gene pool? O Late age…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: In the human genome there are some genes that are polymorphic. Polymorphic genes would be those…

A: Correct option is A- Are often different from one individual to the next because the two or more…

Q: In your own words, how would you define selective breeding?

A: there have been many breeding techniques performed by human from time immemorial . breeding is the…

Q: Two example of pork breeds

A: There are many breeds of pig (Sus scrofa domesticus). Durocs have gained notoriety for being the…

Q: One of the original Amish colonies rose from a ship of colonists that came from Europe. The ship’s…

A: Extra toes or extra fingers in legs and hands respectively is called as polydactyly.

Q: Explain how a breeder might produce a new breed of dog with long ears and a snub nose and how this…

A: Evolution is the process of a species' characteristics changing over many generations by natural…

Q: The animal which original problem that Fibonacci investigated was about how fast it could breed in…

A: Leonardo Pisano Fibonacci was an Italian numerical theorist. He exposed the universe to a wide range…

Q: The gene pool of a population of bighorn sheep in the southwest United States is altered when…

A: The gene pool is considered as the collection of the genes. It can be described as the sum of the…

Q: breeders that produced the crop varieties associated with the green revolution deliberately

A: Green revolution of the 1960s and 1970s depended on applications of fertilizers, pesticides and…

Q: Choose a human-related organism to study. As you consider strategies to enhance the social value of…

A: Through genetic engineering one can make use of the advanced CRSIPR and modify organisms, plants,…

Q: Lucy volunteers at an animal shelter, and she takes care of an orange tabby cat and her kittens.…

A: Genes as well as DNA are the genetic material and it is responsible for development , reproduction…

Q: Which of the following statements about genes are correct? A gene is a region of a DNA strand that…

A: DNA is called deoxyribonucleic acid. DNA is also called the genetic material. DNA is composed of…

Q: How have the processes of domesticating creatures such as cats, cattle, chickensl, and fish remained…

A: Domestication means adaptation of animal which took longer time to undergo evolution.

Q: The English peppered moth has two main colour variations, white and black. Black soot from pollution…

A: Introduction :- Any difference between individuals of a species or groups of organisms of any…

Q: You have already learned that mutation is one source of variation in a population. Based on what you…

A: The changes in the genes because of any reason are termed genetic variation. It leads to a change in…

Q: Which of the following statements describe how genes, proteins, and traits are related? Select all…

A: Genes are the nucleotide sequences which has information to synthesize a particular protein. The…

Q: Why is it really uncommon to have brown eyes with red hair?

A: It is really uncommon to have brown eyes with red hair.Brown eye colour is one of the most common…

Q: Selective breeding and genetic engineering are the same thing. * O True O False

A: Genetic engineering is the direct change in the organism’s genome. Selective breeding is the use of…

Q: Variation we see in dog breeds is a product of what

A: Animal breeding controlled the propagation of cattle to enhance desirable qualities. Humanity has…

Q: Why is age at puberty important to beef cattle producers?

A: At puberty Cattle becomes sexually mature. The age of puberty is important to beef cattle producers…

Q: what is the relationship between genes and traits expressed in individuals? a) gene code for DNA,…

A: Every living organisms contain DNA as the genetic material. In case of eukaryotic cells the DNA is…

Q: what laws should be here for protecting the rights of breeders?

A: Plant breeding  Plant breeding is a technique by the use of which breeders gain new varieties of…

Q: Why are tropical breeds of cattle smaller than temperate breeds? Cite your References.

A: Adaptations in different breeds of cattle ----  Th effect of specific environment and climate…

Q: Modern dogs are direct descendants of the gray wolf. They first appeared about 130,000 years ago.…

A: Selective breeding(artificial selection) is defined as the process where the humans breeds two…

Q: Why is the color blindness gene still common in today's population?

A: Color blindness: It is a genetic disease caused due to mutations on the X-chromosome. color…

Q: Britain’s Queen Victoria was a carrier for the allele that causes hemophilia and she passed this…

A: Hemophilia is a sex linked recessive genetic disorder in which blood doesn't clot normally.…

Q: “Eventually, all species become extinct. So, it does not really matter that the world’s remaining…

A: The species are considered endangered when there are chances of that species becoming extinct in the…

Q: In a particular population of mice, certain individualsdisplay a phenotype called short tail, which…

A: Selective breeding is also known as artificial selection. It is a method to develop plants,…

Q: 1. Tail - What percent of offspring will have a tail? 2. Tail Shape - What percentage of offspring…

A: The alleles are generally of dominant and recessive type and some other forms like codominant are…

Q: Why is genetic variation important? It creates new combinations of genetic material that did not…

A: Variation is defined as any difference between individual organisms, cells or group of organisms of…

Q: true or false:  mutations add to genetic variation by producing new alleles.

A: INTRODUCTION The change in our DNA sequence that happens as a consequence of errors in DNA copying…

Q: Boxers are far more inbred than poodles. Why does that inbreeding make the former a better target…

A: Inbreeding is the breeding or mating of an individual or organism to a genetically closely related…

Q: Based on everything that you have learned so far, provide an explanation for how the different…

A: Evolution is a gradual change in the characteristics of a population of animals or plants over…

Q: Name the methods employed in animal breeding. According to you whichof the methods is best? Why?

A: Animal breeding is the procedure of careful mating of animals with the desirable genetic traits. It…

Q: A litter of puppies do not always have exactly the fur color. This means their traits are

A: Some fur color in puppies are recessive at particular loci but dominant at some loci.