Insect wings are coded for by the same gene that creates... A. internal air branches (trachea) B. Their cuticle C. their antennae D. parts of crustacean appendages, like legs

Q: The main structural characteristic of myosin molecules is: Select one: a. A beta-barrel b. A Fab…

A: Myosin is a motor protein. Myosin is a structural protein present in the muscle. Myosin is a…

Q: Which gene program is described correctly? A. Cell division is the process whereby identical cells…

A: Which gene program is described correctly?

Q: ’d a company genetically modified corn to produce an odor that repels insect, which best describes…

A: Genetic modification is the process of introducing a foreign gene into the genome of a host plant.…

Q: 57. male sex organs; unusually small testes A. down syndrome B. edward's syndrome C. patau's…

A: A genetic disorder is an illness caused partially or entirely by a deviation from the usual DNA…

Q: If a scientist discovers a new monkey in Paraguay, its genome will probably be MOST similar to that…

A: The group of eukaryotic, multicellular, and heterotrophic organisms is classified under the kingdom…

Q: In mammals, sex is determined bya. the SRY gene on the Y chromosome.b. having two copies of the X…

A: In a biological system, the development of sexual characteristics in an organism determined by the…

Q: week when I mutated the SSA1 gene in yeast it made cells grow faster, but made them sensitive to…

A: Hypertrophy is the increase in cell size. Single gene exerting its effect on more than one trait is…

Q: The FOXP gene strongly affects what else, in addition to brain development? A. The stomach and…

A: Forkhead box protein P2 (FOXP or FOXP2) is a protein that is encoded by the FOXP2 gene in humans.…

Q: After studying the phylogeny of the Lassa virus, scientists discovered that viruses from different…

A: * After studying the phylogeny of the Lassa virus, scientists discovered that viruses from different…

Q: The results of the treatment of 20 boys with SCID-X1 showed that ____. a. the “treatment”…

A: Severe Combined Immunodeficiency (SCID) is a collection of uncommon genetic illnesses that impair…

Q: eproduce and spend their lives collecting food, tending the queen, and raising her offspring. ertain…

A: Honey bees are eusocial insects that live in a Colony. The colony consists of two types of females -…

Q: If a gene is located on the X chromosome of a mammal,it isa. expressed only in females.b. expressed…

A: X-linked recessive traits are expressed more likely in males as they have a single copy of X…

Q: What type of genes regulate the development of anatomical segments and structures in an organism,…

A: Genes are the hereditary unit of life made up of nucleotide. These are transfered from parents to…

Q: Which of the following are types of segmentation genes? a. Gap genes b. Pair-rule genes c.…

A: A gene is the basic unit of heredity, physical and functional. Gens consist of DNA. Some genes act…

Q: Why can't human bodies produce new brain cells?

A: Cell cycle  Cell cycle means, division of cells. There are certain stages in cell cycle like G0…

Q: A molecular biologist mutated a gene that encodes an enzyme (protein) that normally is secreted from…

A: Gene mutation  It is defined as the permanent alteration in the sequence of DNA that makes up the…

Q: In eukaryotes, the genetic material is found in chromosomes,a. and the more complex the organism,…

A: Eukaryotes are multicellular organisms that have a nucleus enclosed within membranes that comprises…

Q: A scientist is curious about the effects of diet on the gut length of spadefoot toad tadpoles.  She…

A: Tadpole  It is a stage in the life cycle og amphibians. Most of the tadpole live in the water and…

Q: The proteins TIM and PER reach their highest levels ______. They ______ the activity of the genes…

A: Protein TIM is encoded by the tim gene and protein PER is encoded by the per gene. Together, they…

Q: Usually, the mutant alleles studied in Drosophila experiments are recessive because:   A. they are…

A: An allele is called mutant when it differs from the alleles present in normal / wild type…

Q: Whether a fruit fly is a sitter or a rover depends upon  its_____ . a. diet as a larva b. age c.…

A: In Drosophila there are two types of larvae on the basis of the distance traveled in search of food.…

Q: The key to the successful cloning of Dolly in 1994 wasa. extracting the nuclei from early-stage…

A: Cloning is the process of making exact copies of the parental organisms with genetic and phenotypic…

Q: Xeroderma pigmentosuma. is a genetic disorder that results in uncontrolled cell growth.b. is a…

A: A disease is defined as an abnormal condition that affects the structure or function of an organism…

Q: Give an EXAMPLE of each genetic term to tell the difference of the terminologies A. Genotype vs…

A:

Q: In an embryo from a homozygous Bicoid mutant female,which class(es) of gene expression is (are)…

A: The embryo is an early stage of the development of a multicellular organism. Embryonic development…

Q: A nerve cell and a skin cell from the same person  have Group of answer choices A. different gene…

A: When fertilization occurs, the two cells ie the egg cells and the sperm cells fuse to form a zygote.…

Q: Which statement about genetic mutations is true?          A. Most mutations do not cause changes…

A: Genetic mutations are the kind of mutations that involve alterations in the structure of genes which…

Q: You discover a recessive mutation that results in roses with no thorns (n). Investigating the…

A: No thorns is a recessive mutation. Homozygous condition of the gene (nn) produces roses with no…

Q: In mammals, sperm contribute the usual haploid genome, a centriole, and a micro RNA for Bcl2.  What…

A: Micro RNA is essential for the early embryogenesis, formation, and maturation of tissues and stem…

Q: You discover that zebrafish contain a gene that has a similar sequence to Drosophila abdoless.…

A: Drosophila melanogaster also known as fruit fly studied extensively in biology due to similar…

Q: Two cells use the same segment of DNA to produce two different proteins. The mRNA transcribed by…

A: A gene is a DNA-based functional heredity unit that delivers instructions for the production of RNA…

Q: Which of the following situations does not describes a chromosomal mutation? Select one: a. A…

A: The chromosomal mutation generally means, The whole chromosome or whole gene is affected by any kind…

Q: According to the Lyon hypothesis,a. one of the X chromosomes is converted to a Barr body insomatic…

A: Lyon hypothesis, proposed by Mary Lyon states that the random inactivation of the X chromosome in…

Embryology