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What does it mean when a paternity test reveals the parents share eighteen out of 40 alleles and are identical matches on five of twenty genetic markers?
When a paternity test reveals that the parents share eighteen out of 40 alleles and are identical matches on five of twenty genetic markers, it suggests a partial genetic relationship but does not confirm paternity. Typically, a child inherits half of their alleles from each biological parent, so a lower than expected number of shared alleles may indicate that the tested individual is not the biological parent. The results can also suggest a more distant familial relationship, such as that of a relative. Further testing or additional context may be needed for a definitive conclusion.
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Can you explain the significance of identical pairs of genes in genetic inheritance?
Identical pairs of genes, known as alleles, play a crucial role in genetic inheritance. They determine traits such as eye color, height, and susceptibility to diseases. When offspring inherit one allele from each parent, they can either be homozygous (having two identical alleles) or heterozygous (having two different alleles). This genetic diversity allows for variation in traits among individuals and contributes to the overall genetic makeup of a population.
What are both inherited alleles called?
Genetic makeup formed from both inherited alleles together is called a genotype. Homozygous alleles would be a pair of identical alleles for a single trait. Heterozygous is different alleles for a single trait.
How do the events in the cell cycle ensure that the genetic information in daughter cells will be identical to that of the parent cell?
the alleles have to match up .
What is an organism that has two identical allies for a trait?
An organism that has two identical alleles for a trait is referred to as homozygous. For example, if a plant has two alleles for flower color that are both red (RR), it is homozygous for that trait. This genetic uniformity can influence the expression of traits, as both alleles contribute equally to the organism's phenotype.
When two of the same alleles are needed to be seen in the offspring's genotype those alleles are what?
When two of the same alleles are needed to be seen in the offspring's genotype, those alleles are referred to as homozygous alleles. This means that both alleles at a specific genetic locus are identical, leading to the expression of a specific trait.
What is the definition of homozygus?
Homozygous -It is the characteristic of having two identical alleles at the same locus of sister chromatids.homozygous means having identical alleles at corresponding chromosomal locus or the specific site of a particular gene on its chromosome
What do geneticists call alleles that are both expressed in the phenotype when they are together?
Genetic makeup formed from both inherited alleles together is called a genotype. Homozygous alleles would be a pair of identical alleles for a single trait. Heterozygous is different alleles for a single trait.
Having non identical alleles are called?
Having non-identical alleles at a particular gene locus is known as being heterozygous. In a heterozygous individual, each allele is different, one inherited from each parent. This genetic diversity can lead to a variety of traits and characteristics in offspring.
What is the difference between recombinant and parental chromatids and how do they arise?
Recombinant chromatids have undergone genetic recombination, resulting in the exchange of genetic material between homologous chromosomes. This process can occur during meiosis. Parental chromatids, on the other hand, have not undergone genetic recombination and contain the original combination of alleles from the parent chromosomes.
Which is not true of an organism's genotype?
An organism's genotype does not change over its lifetime, as it is determined by its inherited genetic material. The genotype represents the full genetic makeup of an organism, including all its genes and alleles. It is the genetic information that influences the organism's traits and characteristics.
How similar are two people with respect to chromosomes genes and alleles?
Two individuals can be highly similar in terms of chromosomes, genes, and alleles if they are closely related, such as siblings. They will share a significant portion of their genetic material due to inheritance. However, unrelated individuals will have more differences in their genetic makeup, with variations in chromosomes, genes, and alleles.
What is homozyous?
"Homozygous" refers to an individual having two identical alleles for a particular gene. This can either be two dominant alleles (homozygous dominant) or two recessive alleles (homozygous recessive). Homozygosity increases the likelihood of genetic traits being expressed.
