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How does an allele trait in an organism?
An allele causes a trait by either being dominant orrecessive or example, allele A will occur over allele a because it is dominant.
An allele is either large or small?
An allele is not just small....it is microscopic. An allele is a gene of different expressions (dominant and recessive)
Every allele is a what allele?
No! they are different
If an individual has the genotype Bb what alleles can it pass on?
An individual with the genotype Bb can pass on either a B allele or a b allele to their offspring. This is because they have one copy of each allele (B and b) and can pass on either one to their offspring during reproduction.
What is the chance that any child will inherit the dominant allele if one parent does not carry the allele and the other is heterozygous for it?
The chance that any child will inherit the dominant allele in this scenario is 50%. If one parent does not carry the allele, they can only pass on the recessive allele. The parent who is heterozygous for the dominant allele can pass on either the dominant or recessive allele, resulting in a 50% chance for each allele to be inherited by the child.
When one allele shows dominance over another allele?
In cases of complete dominance, one allele, known as the dominant allele, masks the expression of the other allele, known as the recessive allele, in the heterozygous state. This results in only the dominant allele being expressed in the phenotype.
Can a AB- mom have a AB- child with a O plus dad?
No to have an AB child the parents must have an A allele in one ine parent and a B in the other so that when they reproduce those two alleles (foumd on the chromosome) can be passed to the offspring and hence the child will be AB blood group. As the father is O (which is a recessive allele) he cannot have either an A or B allele and so the offspring will always have one O allele and either the A or B allele from the mother. The child cannot be AB.
Could a mother who is Dd make only D eggs?
No, a mother who is Dd can produce both D and d eggs. This is because the mother has one dominant D allele and one recessive d allele, allowing her to pass on either allele to her offspring. Therefore, the combinations of alleles in her eggs can result in either D or d.
What is dominant the X or the Y?
An allele on either X or Y could be dominant over the allele on the other chromosome, but it is more common for the allele on the X to be dominant, because the Y chromosome is much smaller than the X and contains fewer genes. In many cases, there is no allele for a particular gene on the Y chromosome; so whatever allele is on the Y will be dominant.
In a hybrid plant if every allele combination has two alleles what is the probability of one allele?
The probability of inheriting a specific allele in a hybrid plant would be 1/2 or 50%, as each parent contributes one allele and there are two possible alleles for a specific gene. Each offspring has an equal chance of inheriting either allele from the parent.
Earlobes can be either attached or detached. The allele for attached earlobes is recessive and the allele for detached earlobes is dominant. What must be true is a boy is born with attached earlobes?
He has a homozygous genotype
WHAT BLOOD TYPE WOULD A MOTHER NEED TO HAVE TO HAVE A B TYPE CHILD WITH A AB FATHER?
To have a B type child with an AB father, the mother must have either B or O blood type. If the mother has B blood type, she can pass on either a B or O allele, while the AB father can pass on either an A or B allele. If the mother has O blood type, she can only pass on an O allele, which would result in a B type child when combined with the B allele from the AB father.
