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Question Which of the following statements about lethal alleles is TRUE? Environment does not affect lethal alleles. A recessive lethal can only cause death in the homozygous recessive genotype. Lethal alleles always cause death before or at birth. A dominant lethal can only cause death in the homozygous dominant genotype. Choose the statement that is TRUE. Sex-influenced traits are only expressed in males. Multiple alleles refers to the fact that a person may have more than two alleles for one gene. Blood type created by the A, B, and O alleles is the only concern when matching an organ donor and recipient. Expressivity refers to how strong or weak a phenotype is for each individual who all possess the same genotype for a specific trait.Environment does not affect lethal alleles. A recessive lethal can only cause death in the homozygous recessive genotype. Lethal alleles always cause death before or at birth. A dominant lethal can only cause death in the homozygous dominant genotype. Choose the statement that is TRUE. Sex-influenced traits are only expressed in males. Multiple alleles refers to the fact that a person may have more than two alleles for one gene. Blood type created by the A, B, and O alleles is the only concern when matching an organ donor and recipient. Expressivity refers to how strong or weak a phenotype is for each individual who all possess the same genotype for a specific trait.

Question

Which of the following statements about lethal alleles is TRUE?Environment does not affect lethal

alleles.

A recessive lethal can only cause death in the homozygous recessive genotype.

Lethal alleles always cause death before or at birth.

A dominant lethal can only cause death in the homozygous dominant genotype.

Choose the statement that is TRUE.

Sex-influenced traits are only expressed in males.

Multiple alleles refers to the fact that a person may have more than two alleles for one gene.

Blood type created by the A, B, and O alleles is the only concern when matching an organ donor and recipient.

Expressivity refers to how strong or weak a phenotype is for each individual who all possess the same genotype for a specific trait.

 
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