Biology and Genetics
101624 questions • Page 1628 / 2033
Two fruit bats are crossed in a captive breeding program. It is a testcross invo
Two fruit bats are crossed in a captive breeding program. It is a testcross involving three loci that control for different traits: Fur color (Ff = purple, ff = blue), Ear size (L…
Two fruit bats are crossed in a captive breeding program. It is a testcross invo
Two fruit bats are crossed in a captive breeding program. It is a testcross involving three loci that control for different traits: Fur color (Ff = purple, ff = blue), Ear size (L…
Two fruit flies have been crossed that differ with regard to three alleles: Blac
Two fruit flies have been crossed that differ with regard to three alleles: Black body (bb), sepia eyes (ee), and vestigial curly wings (ww). You have bred a heterozygous wild-typ…
Two funding applications, A and B, propose utilization of Para magnetic Relaxati
Two funding applications, A and B, propose utilization of Para magnetic Relaxation Enhancement (PRE)to study the state (extended vs. compacted) of inter-domain linkers in two prot…
Two funding applications, A and B, propose utilization of Paramagnetic Relaxatio
Two funding applications, A and B, propose utilization of Paramagnetic Relaxation Enhancement (PRE) to study the state (extended vs. compacted) of inter-domain linkers in two prot…
Two gene in corn, c and d are normally 30 map units apart on chromosome 9. A str
Two gene in corn, c and d are normally 30 map units apart on chromosome 9. A strain is found that has a paracentric inversion that occupies about a third of the region between c a…
Two gene loci, A and B, are unlinked, with alleles A and B dominant over alleles
Two gene loci, A and B, are unlinked, with alleles A and B dominant over alleles a and b. Indicate the probabilities of producing the following. a. An Ab gamete from an AaBb indiv…
Two genes ( g and f ) are linked and are 40 map units apart. If a heterozygote p
Two genes (g and f) are linked and are 40 map units apart. If a heterozygote parent with the alleles in trans (repulsed)is crossed to a homozygous mutant parent; what are the expe…
Two genes (A and B) are 20 map units apart on the same chromosome. Two parents w
Two genes (A and B) are 20 map units apart on the same chromosome. Two parents with genotypes AABB and aabb mate to produce an F1 individual. The F1 individual has genotype AaBb w…
Two genes affect mouse coat color. The A\" gene determines pigment production an
Two genes affect mouse coat color. The A" gene determines pigment production and the dominant allele (A) gives color while the recessive allele (al produces no color known as albi…
Two genes are located on the same chromosome and are known to be 12 map units ap
Two genes are located on the same chromosome and are known to be 12 map units apart. An AABB individual was crossed with an aabb individual to produce AaBb offspring. The AaBb off…
Two genes are located on the same chromosome and are known to be 12 mu apart. An
Two genes are located on the same chromosome and are known to be 12 mu apart. An AABB individual was crossed to an aabb individual to produce AaBb offspring. The AaBb offspring we…
Two genes are located on the same chromosome and are known to be 12 mu apart. An
Two genes are located on the same chromosome and are known to be 12 mu apart. An AABB individual was crossed to an aabb individual to produce AaBb offspring. The AaBb offspring we…
Two genes are located on the same chromosome and are known to be 12 mu apart. An
Two genes are located on the same chromosome and are known to be 12 mu apart. An AABB individual is crossed to an aabb individual to produce AaBb offspring. The AaBb offspring are…
Two genes combine to generate the phenotype of the comb of a rooster. The 4 poss
Two genes combine to generate the phenotype of the comb of a rooster. The 4 possible phenotypes are walnut, rose, pea and single. Rose has an absolute requirement for the presence…
Two genes in Drosophila code for body color and eye color. The wild type body tr
Two genes in Drosophila code for body color and eye color. The wild type body trait is gray (b+) and the mutant version is black (b). The wild type eye color is red (p+) and the m…
Two genes in chromosome 7 of corn are identified by the recessive alleles gl (gl
Two genes in chromosome 7 of corn are identified by the recessive alleles gl (glossy), determining glossy leaves, and ra (ramosa), determining branching of ears. When a plant hete…
Two genes in tomatoes are 61 mu apart: normal fruit (F) is dominant to fasciated
Two genes in tomatoes are 61 mu apart: normal fruit (F) is dominant to fasciated fruit (f), and normal numbers of leaves (Lf) is dominant to leafy (If), A true-breeding plant with…
Two genes interact to produce various phenotypic ratios among F2 progeny of a di
Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical…
Two genes interact to produce various phenotypic ratios among F2 progeny of a di
Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical…
Two genes interact to produce various phenotypic ratios among F2 progeny of a di
Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical…
Two genes interact to produce various phenotypic ratios among F2 progeny of a di
Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical…
Two genes interact to produce various phenotypic ratios among F2 progeny of a di
Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical…
Two genes interact to produce various phenotypic ratios among F2 progeny of a di
Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical…
Two genes interact to produce various phenotypic ratios among F2 progeny of a di
Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical…
Two genes is easy, but how do youdo three genes? I can figure out the distance f
Two genes is easy, but how do youdo three genes? I can figure out the distance from each gene to thecentromere, but I don't know how to figure out the distancesbetween the genes t…
Two genes of a flowering plant are on the same chromosomes; one controls height
Two genes of a flowering plant are on the same chromosomes; one controls height and the other controls color. Two genes of a flowering plant are on the same chromosome; one contro…
Two genes of a flowering plant are on the same chromosomes; one controls height
Two genes of a flowering plant are on the same chromosomes; one controls height and the other controls color. Two genes of a flowering plant are on the same chromosome; one contro…
Two genes, A and B are known to be linked on the same chromosome with 12 recombi
Two genes, A and B are known to be linked on the same chromosome with 12 recombination frequency between them. Both the dominant allelels are know to be link on the same chromosom…
Two genes, A and B, are linked. An individual of genotype A b / A b is crossed t
Two genes, A and B, are linked. An individual of genotype A b / A b is crossed to one that is a B / a B. The F1 is selfed and an F2 is obtained. Which of the following ratios most…
Two genes, along with their promoters and regulatory elements are represented be
Two genes, along with their promoters and regulatory elements are represented below. The//indicates a distance of more than 1000 nucleotides separating the promoters from the regu…
Two genes, along with their promoters and regulatory elements are represented be
Two genes, along with their promoters and regulatory elements are represented below. The//indicates a distance of more than 1000 nucleotides separating the promoters from the regu…
Two genes, along with their promoters and regulatory elements are represented be
Two genes, along with their promoters and regulatory elements are represented below. The//indicates a distance of more than 1000 nucleotides separating the promoters from the regu…
Two genes, two alleles each: think of them as A a, B b . Each band must correspo
Two genes, two alleles each: think of them as A a, B b. Each band must correspond to one of these. (Perhaps A is normal allele and a is a deletion, thus a smaller band. However, t…
Two genes, two alleles each: think of them as A a, B b . Each band must correspo
Two genes, two alleles each: think of them as A a, B b. Each band must correspond to one of these. (Perhaps A is normal allele and a is a deletion, thus a smaller band. However, t…
Two genetics students, let\'s call them David and Sid, got bored with their Dros
Two genetics students, let's call them David and Sid, got bored with their Drosophila experiment. David suggested that they sneak the flies down to the Radiation Biology Lab for s…
Two genetics students, let\'s call them John and Sam, got bored with their Droso
Two genetics students, let's call them John and Sam, got bored with their Drosophila experiment. John suggested that they sneak the flies down to the Radiation Biology Lab for som…
Two geological field teams are working in a remote area. A global positioning sy
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 39 km away, 17° north…
Two ground hogs with bulging eyes were kept in captivity, and were mated over a
Two ground hogs with bulging eyes were kept in captivity, and were mated over a six-year period. Ground hogs mate once a year after exiting from hibernation. The numbers and pheno…
Two groups of tomatoes were grown under laboratory conditions, one with humus ad
Two groups of tomatoes were grown under laboratory conditions, one with humus added to the soil and one a control without humus. The leaves of the plants grown without humus were …
Two healthy people have a child expressing a genetic condition caused by a domin
Two healthy people have a child expressing a genetic condition caused by a dominant allele. How can this situation be explained? Only infidelity. Both parents cannot be free from …
Two homologous human chromosomes have the following structure: --A--B-*-C--D--E-
Two homologous human chromosomes have the following structure: --A--B-*-C--D--E--F--G--H--I--J-- --A--D--C-*-B--E--F--G--J--I--H where the letters represent genetic markers and th…
Two homozygous strains of corn are hybridized. They are distinguished by six dif
Two homozygous strains of corn are hybridized. They are distinguished by six different pairs of genes, all of which assort independently and produce an independent phenotypic effe…
Two homozygous strains of corn are hybridized. They are distinguished by six dif
Two homozygous strains of corn are hybridized. They are distinguished by six different pairs of genes, all of which assort independently and produce an independent phenotypic effe…
Two hundred hypertensive patients are randomized to eight a diet program or and
Two hundred hypertensive patients are randomized to eight a diet program or and exercise program(102 patients to diet program, 98 patients to exercise program). Blood pressure is …
Two identical conducting spheres, fixed in place, attract each other with an ele
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.123 N when their center-to-center separation is 68.6 cm. The spheres are then…
Two identical conducting spheres, fixed in place, attract each other with an ele
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.123 N when their center-to-center separation is 68.6 cm. The spheres are then…
Two identical conducting spheres, fixed in place, attract each other with an ele
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.101 N when their center-to-center separation is 43.9 cm. The spheres are then…
Two identical conducting spheres, fixed in place, attract each other with an ele
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.127 N when their center-to-center separation is 67.2 cm. The spheres are then…
Two identical conducting spheres, fixed in place, attract each other with an ele
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.146 N when their center-to-center separation is 74.8 cm. The spheres are then…
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