Which of the following is an example of a teratogen?

Q: Ch. 22-2 In animals, meiosis of germ cells produces gametes. Some plant cells also undergo meiosis,…

A: Plants are multicellular, photosynthetic eukaryotes. These are evolved from unicellular alga that…

Q: What happens in Telophase? Explain briefly.

A: Mitosis is a type of cell division, during which one cell gives rise to two genetically identical…

Q: Which parent passes on the Y chromosome to the child?

A: Part or all of the genetic material of an organism in a long DNA molecule is called a chromosome.…

Q: During oogenesis, nondisjunction of X chromosome occurred in meiosis I. If the resulting egg unites…

A: Non disjunction is the failure of chromosomes / chromatids to separate during Anaphase. In Meiosis…

Q: Which term is the opposite of proximal?

A: Anatomy is the study of the internal structure of an organism.

Q: Define trisomy 16.

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

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: A highly talented 22-year-old female college athlete has just qualified to compete in the Summer…

A: Complete androgen insensitivity syndrome occurs when the body cannot use androgens at all. People…

Q: An abnormality in which there is one more or one fewer than the normal number of chromosomes is…

A: Every organism has a defined number of sets of chromosomes in its genome. Ploidy refers to the…

Q: Which of the following human cells contains 22 pairs of autosomes and one pair of heteromorphic sex…

A: Heteromorphic chromosomes are sex chromosome that has an allelic difference at the sex‐determining…

Q: Why is an X chromosome needed for survival?

A: The sex chromosomes or allosomes are X and Y chromosomes which determine the biological sex of an…

Q: What would be the outcome of a cross between a heterozygous female and a male that carries two…

A: The IGF2 (insulin-like growth factor 2) gene gives instructions for the synthesis of igf2…

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: This combination of sex chromosomes typically produces human males: Xy XX

A: Humans have two sex chromosomes. Sex chromosomes are those which is different from an ordinary…

Q: Describe with diagram the synaptonemal complex

A: As we know all living organisms are made of  basic unit of structure and function called as cell. To…

Q: trisomy 18.

A: Trisomy : The presence of an additional body in some or all of the body's cells.

Q: The gene that determines whether a child becomes a Male or a female is located on a specific pair of…

A: There are two types of chromosomes found in our body, autosomes and allosomes.  Autosomes are found…

Q: Explain how triplets are created naturally (without medical intervention during prenatal…

A: Sexual reproduction is the specialized process in which two distinct individuals participate and…

Q: Which of the following disorders arises from translocation events?   Huntington’s disease   Burkitt…

A: Translocation is caused due to separation of a chromosome segment and its union toa nonhomologous…

Q: A human male named Phillip has an X chromosome that ismissing its Xic. Is this caused by a new…

A: Chromosomes are the packaged form of DNA associated with proteins. They are the genetic material…

Q: Why must a gamete have only one-half the number of chromosomes found in body cells?

A: Meiosis is a reductional division. It consists of two stages: Meiosis 1 : It is an reductional…

Q: ne trisomy 21.

A: Gene alterations in an organism have profound effects on both cellular and physiological levels.…

Q: List several ways in which telophase appears to be the reverse ofprophase and prometaphase.

A: In eukaryotes, there are two types of cell division, namely mitosis and meiosis. Mitosis occurs in…

Q: Please refer to the human karyotype, below, to describe the chromosomal abnormality inherited by…

A: Karyotyping is a process that gives us a wide view of all the chromosomes of an individual. The…

Q: As a result of the abnormalities in chromosomes divergence in meiosis, there was formed the…

A: Genetic abnormalities in new born baby.

Q: Select the best answer or answers from the choices given: The normal diploid number of human…

A: Chromosomes can be defined as the thread-like structures present in the cell's nucleus and carry the…

Q: sex determenination.

A: In humans males are heterogametic and females are homogametic. heterogametic means production of…

Q: highly talented 22-year-old female college athlete has just qualified to compete in the Summer…

A: CAIS: Complete Androgen Insensitivity Syndrome refers to the situation when an individual is born as…

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: 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: Name the technique by which one can disorder any possible chromosomal ormetabolic disorders in…

A: In general genetic disorder is a condition caused by abnormalities in genes or chromosomes.…

Q: Explain the inactivation of the X chromosome or Lyonization.

A: A classic example of X inactivation is seen in calico cats. As a result tortoiseshell coat pattern…

Q: Hemophilia in humans is due to an X-chromosome mutation. What will be the result of mating a…

A: Introduction  Hemophilia is a genetic disorder that affects the blood's ability to clot normally.…

Q: How long can a person live with Trisomy 16?

A: Trisomy 16 is a genetic alteration in which there is an extra copy of a chromosome 16 in a person.…

Q: How many copies of each gene are found in the diploid cells in a woman’s body?

A: Introduction Any cell contains a specific number of chromosomes it is referred to as ploidy level or…