Your textbook points out that the pecten is a structure that is very similar in many bird species. Does this mean that mutations that affect the structure and the function of the pecten occur less than mutations that affect other body parts? Why or why not?

Q: Flowering plants have common ancestors with other plants and plant-like organisms. The table below…

A: With time and evolution , species that are closely related to one another has similar amino acids…

Q: An evolutionary model of animal development explains how now gonotio

A: The evolutionary model of animal development can be explained on the basis of the salient features…

Q: The path of whale evolution has involved the reduction or loss of several traits that are still…

A: Whales, unlike their terrestrial mammal counterparts, lack the ability to smell underwater. This…

Q: In plants, mutations occur in response to environmental changes and make some organisms more fit…

A: Mutations are part of the life of organisms. The mutation causes evolution and makes organisms fit…

Q: Neanderthal fossils were first discovered in the nineteenth century. Study of their morphology…

A: Physical traits are but the expression of a particular type of genotype alone. Thus the more closer…

Q: There are two main groups of bats: Smaller “microbats” navigate by using sonar, and larger…

A: Question of bat ancestry can be resolved by Genome Sequencing.

Q: A scientist is breeding orange butterflies in the laboratory. She notices a white butterfly (see…

A: Mutation in the color of the wings of the housefly can be passed on to the next generation. If this…

Q: taste buds on our tongue: sweet, salty, umami, bitter and sour. Not all animals have the same…

A: The taste of food completely depends on the type and number of Taste buds present on the tongue.…

Q: A case can be made that the sedentary way of life characteristicof many people today is a very…

A: Exercise is defined as engaging the body in physical activities that helps in maintenance of…

Q: When the DNA sequence of the gene that codes for the peptide hormone insulin is compared in two…

A: Proteins are the polymers of amino acids.

Q: In the paper we read at the beginning of the term the coat color differences in the beach mice were…

A: The coat color differences in the beach mice were driven by change in the melanocortin-1 (MCR-1)…

Q: platypus is one of a very small number of mammals that are venomous. Researchers compared the…

A: Most important part in this paragraph is that the two proteins are almost similar in function and…

Q: 1.Scientists is doing artificial breeding experiments often use radiation or other methods to…

A: In this question, we have to answer (1) why mutation rate useful (2) how speed of mutation affect…

Q: Evolutionary theory predicts that species are related, not independent. Four of the following…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: Which of the following statements accurately describes genetic mutations? *       Mutations are a…

A: Mutation - A alteration in the DNA sequence of an organism is referred to as a mutation. Errors in…

Q: When I first studied hominin evolution, they had found "Lucy", an Australopithecus afarensis, and…

A: Hominin evolution defines the natural and conduct changes that happened in the transformative…

Q: Humans and chimpanzees share about 98% of their DNA. What is DNA? What might be the role of…

A: DNA Structure and Function:DNA, or deoxyribonucleic acid, is composed of nucleotides, which consist…

Q: Kettlewell's experiment  When had a mutation taken place that was important to the relationship…

A: Kettlewell experiment was the first to investigate the peppered moth evolutionary mechanism. The…

Q: Over many generations, humans inherited thumbs to help us grasp onto objects. This trait that…

A: Evolution is the basis for development of complex features from simple features .

Q: Evolutionary biologist Neil Shubin once said, "In one sense, evolution didn't invent anything new?…

A: Introduction While some features are derived from wholly new mutations that result in altered gene…

Q: A disorder that leads to nearsightedness is caused by a genetic mutation. On a small island in the…

A: The mechanisms of evolution doesn't operate independently in natural populations. The consequences…

Q: dinosaurs that have a mutation that causes a decreased ability to withstand temperature changes dues…

A: The mutation is always desirable if it offers any sort of survival advantage. If the mutation…

Q: a. How does the genetic variation among humans compare to variation in other hominids and what does…

A: The evolution is a event that occurs in the course of time and happens due to natural selection too.…

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: Which of the following is the sequence in which the segmentation genes act? a. Segment-polarity…

A: Genes which are developed from zygotes are called zygotic genes. There are three types of zygotic…

Q: he wing of the bat and the fore-limb of the dog are said to be homologous structu his indicates…

A: There are two types of structures based on evolutionary adaptations. Homologous structures Analogous…

Q: These data suggest that Telomere length (T/S ratio) Life span (years) 1.0- 0.9 0.8 0.7- 0.6 0.5 9876…

A: Telomeres At the ends of linear chromosomes, a region of repeating nucleotide sequences known as a…

Q: Which of the following best explains the morphological similarities between these two species?…

A: The morphological similarities between these two species is that the species evolved independently…

Q: 19. Humans no longer use their tailbones, but the human tailbone structurally resembles the tails of…

A: INTRODUCTION Homologous structure The homologous structure shows same physical features in organisms…

Q: In many ways, modern human lifestyles are at odds with our bipedal locomotion. At no point in…

A: The development of the modern human as a unique species from the hominid family through progressive…

Q: Which statement about mutations is true? O The effects of a mutation are constant; whether a…

A: Here,the answer is Mutations are random with respect to the adaptive needs of organisms because they…

Q: There is quite a bit of variation in fossils attributed to the species Homo habilis.  Some of the…

A: Homo habilis is an early species of the human genus Homo that lived between about 2.4 and 1.4…

Q: Using the information in the Reading file part II and textbook, answer the following questions:…

A: Evolution is the change in inheritable characteristics in biological population over the course of…

Q: How, specifically, is the concept of ALLOMETRY relevant to the phylogenetic position of Homo…

A: Introduction : Allometry: It is defined as the relationship between body size and other measurable…

Q: . DNA sequences in many human genes are very similar to thesequences of corresponding genes in…

A: Chimpanzees are genetically similar to humans and share around 98%  of the same DNA as compared to…

Q: 1. Which of the following group is the most common ancestor of humans and all other vertebrates?  a.…

A: Transgenic organisms are also known as GMO (genetically modified organism) whose genetic material is…

Q: 101. As discussed in lecture, recent studies of Neanderthals' nuclear DNA indicates that…

A: A biomolecule or biopolymer called deoxyribonucleic acid (DNA) is a nucleic acid that is found in…

Q: Homology can be defined as the presence of common structures because of shared ancestry. Homology…

A: Answer a: The three of the anatomical structures which are present in vertebrates which are…

Q: Recent studies reveal that certain areas of the DNA are less prone to DNA mutations and that…

A: The mutations occur less frequently in functionally limited parts of the genome. The number of…

Q: 8.) A naturalist is visiting an island in the middle of Lake Superior and observes a new bird…

A: Those with short crushing beaks (BB) feed on oak nuts; those with long delicate beaks (bb) pick the…

Q: Are the Sweet potato and Potato homologous or analogous? What type of evolution has brought such a…

A: Introduction :  In biology, evolution is the alteration in a species' traits over a number of…

Q: The name for the monophyletic group of animals that includes all reptiles, mammals, birds, and…

A: Monophyletic group is a clade that includes an  ancestors and all of its descendants.

Q: n many ways, modern human lifestyles are at odds with our bipedal locomotion. At no point in history…

A: Introduction Human evolution is a evolutionary process which includes  the emergence of modern human…

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: What conclusions would the scientists draw from this sequence? A. This protein is a derived…

A: C-flip protein  C-flip protein is a caspase 8 like protein which regulates apoptosis of the cell.

Q: What does the text describe? a) experiments completed to analyze the differences and similarities…

A: Selective breeding, also known as artificial selection, is a process to develop new organisms with…

Q: Polyploidy is very common in flowering plants: approximately 40% of all flowering plant species are…

A: Chromosome is the rod shaped, dark stained bodies which are most prominently seen in the metaphase…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.