Podcast
Questions and Answers
Which phenomenon occurs when one gene controls several functions or has more than one effect?
Which phenomenon occurs when one gene controls several functions or has more than one effect?
- Pleiotropy (correct)
- Incomplete dominance
- Complete dominance
- Codominance
Which of the following describes a situation where phenotypes coincide with genotypes in a ratio of 1:2:1?
Which of the following describes a situation where phenotypes coincide with genotypes in a ratio of 1:2:1?
- Multiple alleles
- Incomplete dominance (correct)
- Codominance
- Pleiotropy
What kind of traits involve genes on the Y chromosome and are very rare?
What kind of traits involve genes on the Y chromosome and are very rare?
- Y-linked traits (correct)
- Codominant traits
- Multiple alleles traits
- X-linked traits
In sex determination in humans, what is the genotype of a male individual?
In sex determination in humans, what is the genotype of a male individual?
What type of dominance occurs when the heterozygous phenotype is unlike either homozygote?
What type of dominance occurs when the heterozygous phenotype is unlike either homozygote?
Which phenomenon involves one gene influencing several traits but in different ways based on dominance relations?
Which phenomenon involves one gene influencing several traits but in different ways based on dominance relations?
What is a characteristic of recessive traits?
What is a characteristic of recessive traits?
Which term describes a situation where the phenotype of the hybrid does not resemble either parent?
Which term describes a situation where the phenotype of the hybrid does not resemble either parent?
What is the genetic ratio in the F2 progeny of snapdragons with the genotype ratios 1 red (AA) - 2 pink (Aa) - 1 white (aa)?
What is the genetic ratio in the F2 progeny of snapdragons with the genotype ratios 1 red (AA) - 2 pink (Aa) - 1 white (aa)?
Which dominance relationship is observed when the hybrid resembles both parents?
Which dominance relationship is observed when the hybrid resembles both parents?
What poses a challenge to Mendelian analysis when certain traits do not follow Mendel's rules?
What poses a challenge to Mendelian analysis when certain traits do not follow Mendel's rules?
In the context of genetic laws, what defines the dominance relationship between two alleles?
In the context of genetic laws, what defines the dominance relationship between two alleles?
What is a key aspect of pedigrees with dominant traits?
What is a key aspect of pedigrees with dominant traits?
Which pattern of inheritance indicates a rare recessive trait?
Which pattern of inheritance indicates a rare recessive trait?
In pedigree analysis, what does a vertical pattern of inheritance indicate?
In pedigree analysis, what does a vertical pattern of inheritance indicate?
For autosomal dominant traits, what is the criteria for transmission?
For autosomal dominant traits, what is the criteria for transmission?
What does the presence of unaffected children in a pedigree with dominant traits indicate?
What does the presence of unaffected children in a pedigree with dominant traits indicate?
Which condition is sometimes observed in autosomal dominant traits that is very rare and can be lethal?
Which condition is sometimes observed in autosomal dominant traits that is very rare and can be lethal?
