Biology question and answers for November 26, 2023
- Q Methyl groups in DNA DNA sometimes has chemical groups attached called methyl groups that affect gene expression Suppose that during each hour first a fraction m of unmethylated locations on...
- Q The diploid number of chromosomes in a cell of a domestic cat is 38 The table below shows the number of chromosomes in the cell of a domestic cat after...
- Q In northern Canada a population of rabbits was predominantly white in color The allele for white color is recessive while the allele for gray color is dominant Over the last...
- Q 10 points Save Antwer Tyra and Sam have been studying genetic disorders specifically sickle cell anemia in biology class Sickle cell anemia is a genetic disease that is common among...
- Q Hbs Hbs Hb HbA x Hb Hbs HbA HbA HbA Hbs HbA Hbs HbA Hbs HbA Hbs Hb sickle shaped hemoglobin Tyra and Sam discussed patterns of heredity in biology...
- Q In cats some are black some are orange and some are calico fur that is both black and orange All calico cats are always female This trait represents two inheritance...
- Q If two people who carry the trait for Huntington s disease Hh have a child what is the chance their child will have the disease What is the chance their...
- Q 3 In pea plants purple flowers P are dominant to white flowers p A plant that is heterozygous is self crossed The following phenotypes were observed Purple flowers 543 White...
- Q 9 Duchenne muscular dystrophy is an example of an X linked recessive disorder that causes progressive muscular weakness If a man who is normal XNY has a child with a...
- Q 12 Recombination frequencies can be easily calculated by adding the number of offspring that are different from the parents then dividing by the total number of offspring Let s say...
- Q 10 Eye color red or white in the fly Drosophila is determined by the X chromosome The dominant version of the allele XR causes red eyes while the recessive allele...
- Q of genetics and lemperature Genetically male fish have two Z chromosomes ZZ and genetically female fish have one Z chromosome and one W chromosome ZW When fish are raised at...
- Q SB3 a According to Mendel s law of dominance which statement best describes the result of a cross between parents with genotypes Rr and Rr O Only Rr offspring will...
- Q A Maine coon cat is brought to an island where only wild tabby cats live After mating with other cats on the island some of the kittens have bushy tails...
- Q What idea is shared by both Lamarck s and Darwin s theories of evolution 1 Environmental changes can lead to the modification of 2 traits Adaptation is driven by differences...
- Q 9 A second cross is done between two plants of unknown genotypes possessing the same traits as in problem 8 The results of the F generation are in the table...
- Q 10 In guinea pigs a black coat B is dominant to an albino coat b and short hair H is dominant to long hair h A BbHh guinea pig is...
- Q 2 In mice the gene C causes pigment to be produced while the recessive gene c makes it impossible to produce pig ment Individuals without pigment are albino Another gene...
- Q For shorthorn cattle the mating of a red bull and a white cow produces a calf that is described as roan Roan is intermingled red and white hair Many matings...
- Q In horses the trotter characteristic is the pacer characteristic A male trotter mates with three different females and each female produces a foal The first female a pacer gives birth...
- Q What is the eukaryotic telomere shortening problem and how is it solved
- Q 15 The factor s most involved in translation termination is are A EF G B IF1 IF2 IF3 C Release Factor and ribosome recycling factor D EF Tu E 50S...
- Q 11 Human growth hormone receptor is a A catalyst B prosthetic group C coenzyme D cofactor E cell surface protein
- Q The trait represented by the colored circles and squares below is inherited as a dominant allele This is not a sex linked trait Shaded individuals show the dominant trait 3...
- Q Suppose it was possible to use genetic engineering to make people more intelligent Do you think this should be allowed Explain your answer
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