Biology, 08.07.2019 03:00 foralways4871
1. if a true-breeding white flowered plant is bred with a true-breeding purple flowered plant, what are the genotypes of the offspring? a. heterozygous b. homozygous dominant and heterozygous c. heterozygous dominant d. homozygous dominant and homozygous recessive e. homozygous dominant, heterozygous, and homozygous recessive 2. given what we know about mendelian genetics, what is the genotype of pea plants with white flowers? white is a recessive trait while purple is a dominant trait. a. heterozygous b. w c. homozygous recessive d. hemizygous recessive e. pw 3. coat color for a breed of cattle is determined by two co-dominant alleles, one for white (w) and one for red (r). a heterozygote will be a mixed color, called roan. crossing two roans produces an equal number of white or red offspring and twice as many roans. if a farmer wanted a herd of cattle that were all roans, what color should the two parents be? a. roan and roan. b. roan and white. c. roan and red. d. white and red. e. red and red.
Answers: 1
Biology, 21.06.2019 21:00
In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected
Answers: 2
Biology, 21.06.2019 23:00
Approximately 90% of all cases of polycystic kidney disease are inherited in an autosomal dominant fashion. the disease is typically related to mutations to genes (pkd1 and pkd2). pkd genes can be found on chromosome 16. the disease occurs in approximately 1: 800 to 1: 1000 people. here is a hypothetical example. the dominant allele d will cause the development of pkd. the recessive allele is known as d. what genotypes would correspond to suffering from pkd? dd, dd what genotypes would correspond to being normal (not suffering from pkd)? dd consider that 1: 1,000 people have pkd in your population of 325million. consider that pkd is inherited in an autosomal dominant fashion. show you math for all of the following questions: what is the genotypic frequency for dd? what is the genotypic frequency for dd? what is the genotypic frequency for dd? what is p? what is q? how many people in your population would have pkd?
Answers: 3
Biology, 22.06.2019 13:30
Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?
Answers: 1
1. if a true-breeding white flowered plant is bred with a true-breeding purple flowered plant, what...
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