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#Question id: 3543


Mendel crossed round and tall pea plants (RRTT) with wrinkle and dwarf ones (rrtt). The F1 plants were all round tall. These F1 plants were cross with rrTt. Which of the following is correct among these offspring?

#SCPH01 Biochemistry
  1. Plant with tall phenotype is less than dwarf phenotype

  2. Plant with round seeded phenotype is greater than wrinkle phenotype

  3. Plant with round seeded and dwarf phenotype is greater than wrinkle and dwarf phenotype

  4. Plant with round seeded and tall phenotype is greater than wrinkle and dwarf phenotype

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#Question id: 4762

#SCPH12 I Genetics

a semilethal allele is an example of which of the following extensions of mendelian genetics?

TLS Online TPP Program

#Question id: 4763

#SCPH01 Biochemistry

in a rare blood type referred to as the bombay phenotype, individuals are unable to attach the a or b antigens to their red blood cells. individuals that are homozygous recessive for gene "h" have the bombay phenotype and their blood type is type "o" regardless of their abo genotype. this is an example of what extension of mendelian inheritance?

TLS Online TPP Program

#Question id: 4763

#SCPH12 I Genetics

in a rare blood type referred to as the bombay phenotype, individuals are unable to attach the a or b antigens to their red blood cells. individuals that are homozygous recessive for gene "h" have the bombay phenotype and their blood type is type "o" regardless of their abo genotype. this is an example of what extension of mendelian inheritance?

TLS Online TPP Program

#Question id: 4764

#SCPH01 Biochemistry

Which of the following is the best example of overdominance?

TLS Online TPP Program

#Question id: 4764

#SCPH12 I Genetics

Which of the following is the best example of overdominance?

TLS Online TPP Program

#Question id: 4765

#SCPH01 Biochemistry

The recessive mutant allele that causes cystic fibrosis is much more frequent in Caucasians population than in other world populations. Some scientists believe heterozygotes must have had a survival advantage during plagues such as cholera that occasionally swept through this population. What concept does this illustrate?