If the trait transferred from the donor parent to the reincarnation parent is controlled by the recessive single gene, then the selection of the backcross progeny is required ( ) to separate the trait for easy selection.
举一反三
- A________ trait is opposed to a recessive trait which is expressed only when two copies of the gene are present. A: determinant B: dormitory C: dominant D: dormant
- being a single parent
- As a man sows, so he shall reap. Which trait of the gene is the proverb derived from? A: Copy B: Variation C: Mutation D: Deficiency
- A heritable trait with two different forms (dominant and recessive) is known as A: an allele. B: a genotype. C: a phenotype. D: a gene.
- Almost _of all American families are single parent families.