How does the risk of chromosomal abnormality in a child change with themother’s age?

Q: What is the example of  maternal inheritance?

A: Maternal inheritance is a form of inheritance where the traits of the offspring are maternal in…

Q: When does the postnatal period of life begin?

A: The postnatal period of life is the earliest stages of the babies after their birth. This stage is…

Q: How many types of trisomy are there?

A: Trisomy is the presence of one extra copy of a chromosome in the genome. It is mostly caused by the…

Q: How are identical twins different from fraternal twins?

A: Reproduction is a Biological process of forming offspring by the fusion of male and female…

Q: what are the steps of meiosis?

A: Meiosis is the process of cell division which is involved in the production of gametes as its goal…

Q: What are Extrachromosomal elements?

A: Chromosomes are thread-like structure, which are composed of deoxyribonucleic acid (DNA) and…

Q: How to show respect, concern and love to a person with chromosomal disorders? What is the purpose…

A: Every year ,thousand of people are affected by chromosomal disorders. Some chromosomal disorder are…

Q: Define trisomy 16.

A: Chromosome disorders are non-inheritable abnormalities in which individuals possess either extra or…

Q: Define  trisomy

A: The chromosome is the threadlike structure of the cell that carries hereditary information in the…

Q: What disease is Trisomy 15?

A: Disease:   When an organism’s body system does not work properly or any organ affects by viruses,…

Q: What are the  patterns of inheritance?

A: Inheritance includes the process by which the offspring of an organism becomes predisposed to the…

Q: by what age a person with trisomy 16 can survive?

A: due to nondisjunction of chromosomes in maternal meiosis I stage, there are high chances of more…

Q: When does meiosis occur in girls? In boys?

A: Meiosis is where a solitary cell divisions twice to deliver four cells containing a large portion of…

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: describe the Major Classes of ChromosomalRearrangements

A: Chromosomal rearrangements are the mutations in the chromosomes that alter the structures of…

Q: What are the effects of aneuploidy?

A: Aneuploidy refers to losses or gains of individual chromosomes from the normal set of chromosomes.…

Q: What is meant by Trisomy 21 ?

A: Chromosomal abnormalities are the type of genetic disorders caused due to the change in one or many…

Q: Is TT a heterozygous or homozygous?

A: The term 'homozygous' refers to the presence of two copies of the same allele, such as two dominant…

Q: Does the environment exertan influence on thephenotype?

A: Phenotype is defined as the set of observable characteristics within an individual. It includes…

Q: What are the development phenomenas occurs at the age after 11 years?

A: Humans have extremely long development stages compared to other animals due to the complex nature of…

Q: How is cell death a normal part of development?

A: Answer: Introduction: Cell death is necessary for the normal development of eukaryotic organisms and…

Q: What are the cells surrounding the oocyte? Are they germ-line or somatic in origin?

A: Gametogenesis is the process of production of gametes (sperm and eggs) via meiosis which is a type…

Q: What major changes happen during the fetal stage ofdevelopment?

A: Fetal stage extends from the end of the eighth week and continues until the birth.

Q: What are chromosomal disorders?

A: The chromosomes are thread-like structure situated inside the nucleus of plant and animal cells.…

Q: What are the side effects of Irregularities in the process of chromosome formation or fetal…

A: Mutations are sudden changes that are inheritable and can contribute to a permanent change in the…

Q: What is the maternal inheritance?

A: Genetics is the branch of biology that deals with inheritance and variation. A gene is a section of…

Q: What is the significance of meiosis?

A: The indirect process of cell division in which the chromosomes of parent cells divide once but…

Q: What is the difference between neonatal and prenatal?

A: The firsts eight weeks after fertilization are termed as embryonic stage in which formation of…

Q: What is polygenic inheritance?

A: Sometimes a single phenotypic trait is the controlled by many genes together. Each gene can…

Q: Which is more harmful trisomy or monosomy?

A: The chromosomal disorder are caused due to absence or excess or abnormal arrangement of one or more…

Q: by what age a person with trisomy 17 can survive?

A: Disease:   When an organism’s body system does not work properly or any organ affects by viruses,…

Q: explain difference between maternal effect and cytoplasmic inheritance?

A: The branch of biology that includes the study of genetic variations, genes, and inheritance in the…

Q: Which parent determines the height of a child and Who is more dominant male or female?

A: It is estimated by researchers that about 80 percent of an individual's height isdecided by the DNA…

Q: What does a horizontal pattern of inheritance mean?

A: The basic principles of inheritance are equally applicable to all living organisms irrespective of…

Q: what are  chromosomal abnormalities??

A: Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains. It coils around…

Q: What are the complex patterns of inheritance?

A: Some traits ,unlike discrete trait of Mendel's studies, display a range of phenotypes that cannot be…

Q: How do maternal inheritance work?

A: Zygote is formed after fusion (fertilization) of sperm and ovum. Sperm is paternal gamete and ovum…

Q: Which inheritance is Uniparental?

A: Inheritance is the transmission of genetic traits from parents to the progeny.

Q: describe Mechanisms leading to maternal inheritance oforganelles

A: A form of inheritance in which the traits of the offspring are maternal in origin due to the…

Q: (a) During which division of meiosis do Mendel's rules of Segregation and Independent assortment…

A:

Q: How do taenias classifyaccording to the division ofsexes?

A: Taenia is a genus of tapeworm belonging to Phylum Platyhelminthes. This phylum is characterised by…

Q: What causes maternal inheritance?

A: Maternal inheritance is a form of inheritance in which traits of the progenies are maternal in…

Q: What are three stages of childhood?

A: Childhood development is the organic, emotional, and mental changes that take place from birth, in…

Q: by what age a person with trisomy 18 can survive?

A: Trisomy is a rare genetic condition with three extra copies of chromosomes instead of two copies…

Q: What is the Y Chromosome ?

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