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What combinations of alleles could produce a trait controlled by a recessive alleles?
recessive + recessive or tt
What combination of alleles could produce a trait controlled by a dominant allele?
genotype
If a gene has one completely dominant allele and two recessive alleles how many different traits can these alleles produce?
A gene with one completely dominant allele and two recessive alleles can produce two different traits. The dominant allele will express its trait regardless of whether it is paired with another dominant or a recessive allele, while the two recessive alleles will express their trait only when paired together. Therefore, the possible combinations of alleles result in one dominant trait and one recessive trait.
Alleles that are neither dominant nor recessive produce an inheritance pattern known as .?
codominace
What do dominant and recessive alleles have in common?
Alleles are different types of a gene. Each gene controls a characteristic and they is usually a recessive allele and a dominant one. The main similarity is that they both control a certain characteristic!
How did Mendel find out whether the recessive alleles were still present in the f plants?
he breeded the f1 plants with a recessive homozygous plant and if the offspring (f2) showed the recessive allele, then the recessive allele is still present in the f1 plant
How can alleles be?
Alleles are alternative forms of a gene that may differ in their nucleotide sequence, leading to variations in traits. Genes come in pairs, with one allele inherited from each parent, contributing to an individual's genotype and phenotype. Alleles can be dominant or recessive, influencing the expression of traits in an organism.
What two alleles could produce a trait controlled by a dominant allele?
Tt or TT
Which genetic concepts best explain the fact that hybrid parents can produce offspring with recessive phenotypes?
The concept of recessive alleles and the principle of segregation during gamete formation can explain how hybrid parents carrying a recessive allele can produce offspring with recessive phenotypes. When the alleles for a specific trait segregate during gamete formation, a recessive allele from each parent can combine in the offspring, resulting in the expression of the recessive phenotype.
What does a lower case letter of an allele refer mean?
A lower case letter for an allele typically indicates a recessive trait. In genetics, alleles are alternate forms of a gene that can produce different effects on an organism's phenotype. The convention of using lower case letters for recessive alleles helps distinguish them from dominant alleles, which are usually represented by capital letters.
Do all heterozygous pairs alleles produce an intermediate phenotype?
No
What are inactive alleles?
Inactive alleles are versions of a gene that do not produce a functional protein or have reduced activity due to mutations. These alleles may not contribute to the individual's phenotype or may have a diminished effect compared to active alleles. Inactive alleles can result in genetic disorders or variations in traits.
