At what stage of fetal development does twinning cease to be biologically possible?

Q: What is Extrachromosomal inheritance?

A: Inheritance is the process by which this genetic information present in the genes is passed on from…

Q: Technology that can separate X-bearing and Y-bearing sperm offers prospective parents the…

A: Chromosomes are composed of protein and inheritable materials. These chromosomes contain the genes…

Q: Discuss the effects of maternal nutrition on fetal outcome.

A: Maternal nutrition plays a crucial role in fetal development, and it can have both positive and…

Q: If a male has fragile X syndrome, is his mother or father more likely to be a carrier for the…

A: The genetic disorder Fragile X syndrome (FXS) is characterised by mild-to-moderate intellectual…

Q: Define ectopic pregnancy?

A: A female is said to be pregnant if she carries a developing embryo in her uterus. Pregnancy lasts…

Q: Why does theheterozygote have an advantage?

A: When an individual contains a dissimilar pair of alleles for the same gene, the condition is…

Q: Why are newborns with an abnormal sex chromosome number more likely to survive than those with an…

A: Humans have a total number of 46 chromosomes that is 23 pairs of chromosomes in which 22 of them are…

Q: What is meant by Birth complications ?

A: Labour is the process of giving birth to the baby and bring out the product of conception to the…

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: The following conditions can cause birth defects or abnormalities, except: Group of answer choices…

A: Birth defects are those defects that can be identified at the time of birth in a newborn, this can…

Q: Sexual reproduction results in offspring that are genetically different from one another and from…

A: Organisms reproduce to form new generations through sexual or asexual reproduction mechanisms.…

Q: What is the relationship between non-disjunction, changes in chromosome number and miscarriage?  Why…

A: Chromosome abnormalities are of 2 types viz. numerical, where an individual has abnormal number of…

Q: In what stage of meiosis does two chromosomes divide?

A: In sexually reproducing organisms, cell division takes place via process called meiosis. *A single…

Q: What does abnormal male karyotype mean?

A: A karyotype is the visual picture of number and morphology of chromosomes. It consists of analyses…

Q: What will be the sex of an individual who is easily affected by an X-linked recessive trait? Why?

A: Sex chromosomes carry the genes to determine the gender of an organism.

Q: An individual that is genetically male develops as a female. Is this individual more or less likely…

A: The males have one X chromosome and one Y chromosome and the females have a pair of X chromosomes.…

Q: How does the first meiotic division result in reducing the number of chromosomes

A: Meiosis is the type of division in which the number of chromosomes in daughter cells is half of the…

Q: Explain why Down syndrome is more common in infants born to women older than 35 years of age?

A: A genetic disorder characterized by abnormal cell division in child resulting in extra (whole or…

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: Why does theheterozygote have an advantage?

A: The process of transmitting the traits from parent to offspring is termed inheritance. Small…

Q: Why does meiosis occur?

A: Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half…

Q: Can diagnostic tests provide full information on the extentof effects of Down syndrome in an…

A: Chromosomes are made up of the strands of Deoxyribonucleic acid (DNA). This carries the genetic…

Q: Is a person’s sex identity established at the moment of conception? Explain how?

A: Each individual has chromosomes (23 pairs), among them 22 are identical, one which is sex chromosome…

Q: Explain how it is possible for each baby to be unique:

A: Cells are the biological, structural and functional unit of an organism. Cell has a nucleus that…

Q: What is the phenomenon of premunition ? And it's importance

A: For malaria premunition is maintained by repeated antigen exposure from infective bites.

Q: Give three arguments in support for aborting a child with a chromosomal aberration, and three…

A: We know that The change that can occur in the genetic material during cell division, which passes on…

Q: what does a "fetal development" concept map look like with 10 words or phrases?

A: Fetal development in shortest words.

Q: Which phase is the shortest and the longest in "meiosis"?

A: Meiosis is a kind of cell division that takes place in sexually reproducing organisms which results…

Q: term polar body is another name for an oocyte that can be fertilized?

A: Oogenesis is a type of meiotic division where the chromosome number is reduced to half. It occurs at…

Q: Fetus A and Fetus B are developing within their own biological mothers who are unrelated.  Fetus A…

A: Teratogens are substances/ agents which when introduced into the body can hinder the normal growth…

Q: How is it that genetic abnormalities that include an extra Y chromosome do not have a severe…

A: Genetically all human males normally have a XY chromosome whereas the females have a XX pair. They…

Q: Can a trisomic A/A/a ever produce a gamete of genotype a?

A: Gamete- these are the cells that are capable of producing a new organism. These are the haploid…

Q: Give a brief explanation on how chromosomal abnormalities affect prenatal pregnancy or birth.

A: Genetic conditions are conditions that are inherited to children due to faulty genes. Various…

Q: 1) Give one or two examples of events that occur during each trimester of pregnancy. a) First…

A: Pregnancy is a natural biological process in which a female's body undergoes a series of…

Q: were asked to give an explanation at a local maternity clinic on prenatal development. Your…

A: Prenatal development is the development of embryo  , from the time of fertilization till the baby is…

Q: According to your text, from a developmental perspective, which of the following are associated wit…

A: Often reproduction is the process by which organisms produce their offspring. So this process in…