Is it possible for a boy–girl pair of twins to be genetically identical? Why or why not?

Q: How can the same phenotype stem from many different genotypes

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: How many pairs of chromosomes do cattle and horses have?

A: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each…

Q: How many of chromosomes do we get from each parent

A: A chromosome is a long DNA molecule that contains part or all of an organism's genetic material.…

Q: What are twins?Genetically what are the twotypes of twins that can begenerated?

A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…

Q: What happens if you have 24 chromosomes?

A: A diploid human cell contains 23 pairs of chromosomes. Of these 22 pairs of autosomes and a pair of…

Q: What is the difference between X and y chromosomes and how to they effect genetics?

A: X and Y chromosomes serve as the basis for sexual differentiation. They are primarily the sex…

Q: If children obtain half of their Gene's from one parent and half from the other parent, why aren't…

A: A genome of offspring is inherited from both the parents. Half of the genetic material is inherited…

Q: How many chromosomes do you receive from your parents?

A: Chromosomes are the constricted forms of chromatin fibres and histone proteins. This chromatin fibre…

Q: why is meiosis important concept in genetics?

A: Ever since Charles Darwin postulated his theory of Natural selection, it became important to…

Q: If children obtain half their genes from one parent andhalf from the other parent, why aren’t…

A: Genetics is a branch of biology that is concerned with the study of Nucleic acids (Ribonucleic acid…

Q: Why The Same Genotype Does Not Always Produce the Same Phenotype?

A: Genotype is the gene complement or the genetic constitution of an individual with regard to the…

Q: If someone did have the same phenotype, would they necessarily have the same genotype?  Why?…

A: The answer is yes. two different genotypes can result in the same phenotype

Q: How to determine if twins are identical or fraternal if only one still alive?

A: Twins are the two offspring or individuals produced during same pregnancy. Twins can be monozygotic…

Q: How is it that some chromosomal abnormalities are incompatible with life as early as immediately…

A: Chromosomal abnormalities are one of the reasons of miscarriage and stillbirth and spontaneous…

Q: What do you mean by homozygous condition for a gene?

A: Crossing over is defined as the process of exchange of chromosomal segments between the no sister…

Q: How many copies of a gene does the other parent contribute to each of the offspring?

A: Genes are responsible for the expression of traits. If genes have multiple copies, they are referred…

Q: What conclusion about your genotype would you make if one of your siblings, but neither one of your…

A: The genotype of an organism is the set of genes that are responsible for the unique characteristics…

Q: Hemophilia is a recessive disease carried on the X chromosome. If an unaffected carrier mother had…

A:

Q: What do you mean by genetic heterogeneity?

A: Genetics is the branch of biology that deals with the study of genome of an organism and its gene…

Q: Do you know of any genetic diseases or disorders that result from errors in mitosis or meiosis? How…

A: Introduction: Mitosis and meiosis are processes and fundamental stages of cell division and cell…

Q: How come the conclusion came to be as half of the son and none of the daughter have precorious…

A: It is a condition in which a child's body changes in an adult too soon before pubery.

Q: What do you mean by differntiation?

A: A cell is the smallest unit of a living thing which contributes to the specialized function in the…

Q: Can you fix chromosomal abnormalities and Can you prevent chromosomal abnormalities?

A: Humans are diploid (2n) as they contain two sets of chromosomes. One set of chromosomes is inherited…

Q: Identical twins each carry the same genome, but over time, can develop different phenotypes. How can…

A: Identical twins are formed as a result of the fertilization of a single egg. The zygote later splits…

Q: What do you mean by recessive disease?

A: According to Mendelian inheritance, a single character is controlled by one or more genes where each…

Q: How is a nucleoid different from a cell nucleus?

A: Cell is a basic structural and functional unit of all life forms. All organisms are made of at least…

Q: What happens if you have an extra chromosome 23?

A: A chromosomal disorder is an anomaly, aberration, or mutation is a missing, extra, or irregular…

Q: What are various kinds of twins?

A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…

Q: A human sperm or a human egg each have how many chromosomes?

A: The sperm and the eggs are the reproductive cells present in a male and female body respectively.…

Q: What are the two types of twins and how do they arise?

A: The period from conception to birth is called pregnancy. When an egg is fertilized by a sperm, the…

Q: lssss helppppp, describe the difference between a monosomy and a trisomy

A: Chromosomal abnormalities may be caused by mutations. These abnormalities are of two types. The…

Q: What does it mean if you have 24 chromosomes?

A: Chromosomes are a compact form of DNA wrapped around some proteins and are generally present in a…

Q: People often say that monozygotic twins are genetically identical. Do you think that is a correct…

A: The period from conception to birth is called pregnancy. When an egg is fertilized by a sperm, the…

Q: How two genetically identical twins are not really identical?

A: The identical twins formed from the same sperm and same egg from their parents.In early stage of the…

Q: The allele for colorblindness is carried on the X chromosome and is recessive. A man, whose…

A: Colour blindness is a sex linked recessive disorder.

Q: A man sues his wife on the grounds of infidelity. Both man and wife have normal vision, but their…

A: Sex-linked inheritance of genes takes place when the phenotypes are associated or linked with the X…

Q: How can you distinguish between an autosomal recessive trait with higher penetrance in males and an…

A: Autosomal and sex-linked traits exhibit distinct features in pedigree analysis.

Q: What does double homozygous mean?

A: The alternate form of gene is known as allele. Allele are of two types, namely dominant allele and…

Q: Why are X-linked recessive disorders never passedfrom a father to a son?

A: A genetic characteristic or disorder can be handed down from parent to kid via mutations in a gene…

Q: How could you distinguish between an autosomal recessive trait with higher penetrance in males and…

A: An individual with the autosomal recessive disease will have unaffected parents since the offspring…

Q: Difference between dominant and recessive?

A: Gregor Johann Mendel is known as father of genetics. He performed experiments on pea plants for…

Q: If twin brothers fathered 2 boys, (one each) by different women, would the 2 boys have any simular…

A: The human genome is a full set of nucleic acid sequences for humans, encoded as DNA in cell nuclei's…

Q: What do you mean by Uniparental?

A: The genome represents the genetic material in an organism having a set of chromosomes that is…

Q: Men are more likely to display an X-linked recessive disorder than are women. Why do you think this…

A: X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X…

Q: “ No two people are exactly alike. Even monozygotic twins differ from each other.” what is the…

A: Identical twins are developed from a single zygote, therefore they are also called as monozygotic…