What items lead to genetic variability in the offspring during meoisis and identify stages when that variability occurs? Compare and contrast meoisis and metosis.

Q: A man and woman, both both with brown eyes (B) marry and have a blue eyed (b) child. Determine the…

A: Phenotype is the observable physical traits of an organism while genotype refers to the genetic…

Q: Which of the following describes the genotype of individual 20?

A: A autosomal trait is that which is carried in the autosomes. An autosomal disease will only be…

Q: 1 2 3 4 5 6 7 8 10 11 12 13 14

A: Sex limited inheritance: It is a trait that is limited to a single sex . It is mostly seen in the…

Q: Define the Beyond Simple InheritancePatterns ?

A: The inheritance patterns help to predict how genes are transmitted from generation to generation.…

Q: Summarize the effects of inversions and translocationso n fertility

A: A permanent change in the DNA’s base sequence is termed as mutation. Chromosomal abnormalities occur…

Q: What is the geneticcondition in which theheterozygous individual hasdifferent phenotype from…

A: Inheritance patterns are of different type’s   Mendelian inheritance, incomplete dominance,…

Q: Illustrate the Multiple Allele Inheritance ?

A: Genes are responsible for the genetic traits of organisms.

Q: How Fetuses can be genotyped in utero?

A: Genotyping refers to analyzing the difference in the genotype of an organism by observing individual…

Q: RR x Rr What percentage of the offspring will be round?

A:

Q: What is a chromosomal island and how can one be identified asbeing of foreign origin?

A: The term chromosomal island is generally used in microbiology with regard to the bacteria. The…

Q: How can the chromosome number of an individual be tested before they are born?

A: Chromosomes are the carrier of the genetic information that an organism carries from one generation…

Q: What would be the genotype of the P Generation?

A: Introduction: Genetics is a branch of biology that deals with the understanding of genes, variation…

Q: Explain the mechanism of maternal effect inheritance at the molecular and cellular level.

A: The maternal effects are the conditions in which the phenotypic constitution of an individual is…

Q: Determine the genotype for each phenotype using the Information provided: SQUARE shape (S) is…

A: *Phenotypes means the traits that an individual contains can be easily observable  * Ex: colour,…

Q: Describe at least two types of prenatal testing that are used to diagnose chromosomal abnormalities…

A: Invasive prenatal tests are mainly used to detect various chromosomal abnormalities in foetus.  Two…

Q: How a testcross reveals genotype?

A: Genetics is the branch of biology, which deals with the study of genes, their pattern of…

Q: Explain single locus inheritance and give example

A: Genetic inheritance: This mainly takes place because of the transfer of genetic material from…

Q: How does the law of independent assortment reflect the events of meiosis?

A: The Principle of Independent Assortment explains how different genes differentiate from one another…

Q: 1 2 5 7 II 2 3 5 6 7

A: The pedigree does not skip any generations. Hence, it is a dominant inheritance.  There are two…

Q: What is/Are the genotypes(s) of the offspring?

A: Given that dominant is the round seed and wrinkled seed is recessive.

Q: A young man has AB blood and his sister has type O blood. What are their genotypes, and the…

A:

Q: How can the chromosome number of an individual be tested before he or she is born?

A: Genetics is a part of science worried about the investigation of genes, genetic variety, and…

Q: Define the term generation. What is meant by the termgeneration time?

A: Cell division is the process of division of cell into daughter cell. Generally cell divides by the…

Q: Give the genotypic percentage of the following offspring 1. RR 2.YY 3.RY

A: Genotype is the genetic makeup of an organism or the collection of genes in the body where the…

Q: Tt x Tt What is the genotype ratio? What is the phenotype ratio?

A: ANSWER…

Q: Summarize the effects of inversions and translocationson crossing-over and fertility

A: A permanent change in the DNA’s base sequence is termed as mutation. Chromosomal abnormalities occur…

Q: Explain the underlying molecular mechanisms of incompletedominance, overdominance, and codominance.

A: Mendelian inheritance is inheritance pattern that are characteristic of organisms that sexually…

Q: How to determine the genotype frequencies ?

A: Introduction  Hardy Weinberg equilibrium: this states that the sum of genotypic and allelic…

Q: Explain about double fertilisation.

A: Nawaschin was the first to show that both male and female gametes are involved in fertilisation in…

Q: Which might you observe directly: the genotype or the phenotype?

A: Traits are the features of a living organism that are regulated by genes.

Q: Draw a simplified schematic for genetic screening to identify the maternal and zygotic genes.

A: Maternal effect genes are those genes that undergo mutations as a result, their phenotypic effects…

Q: Provide the genotypic and phenotypic ratios of the offspring.

A: Genotype is the complete genetic makeup or genome of the individual. It refers to the alleles or…

Q: What is double fertilizaton?

A: Angiosperms are flowering plants and also considered as a diverse group of terrestrial plants.

Q: Which three factors are crucial in the diagnosis of genetic defects in the fetal stage? What do you…

A: Between the embryonic period and birth, a fetus is a prenatal human being. The fetal stage lasts…

Q: If an AB negative (blood type) female mates with an O positive male (blood type). What are the…

A: Blood group in humans is defined by ABO as well Rh genes. ABO gene contains three alleles IA, IB and…

Q: Describe the process of crossing over AND identify the phase of meiosis when crossing over occurs.

A: Meiosis is the process in which a cell divides twice to create four cells containing the half amount…

Q: whar are the meiotic events that could lead to the birth of an individual with either Patau syndrome…

A: The meiotic events causing Patau syndrome, or Turner syndrome in an individual. Introduction: Patau…

Q: Explain the term double fertilisation.

A: A flower is the reproductive part of the modified thick shoot of an angiosperm plant. In order to…

Q: What some ways that incomplete penetrance can occur? Give at least two possible ways on why it…

A: Penetrance refers to the proportion of people with a particular genetic change (such as a mutation…

Q: Given the combination shown in the Punnet square, what are the genotypes of the parents? * Rr Rr Rr…

A: The given above is the punnet square showing f1 generation where all f1 are having Rr genotype.  As…

Q: Assuming no crossing over between the gene in question and the, when do alleles segregate during…

A: gene is present in different forms that are expressed in a phenotype; allele is a one of the…

Q: State the chromosomal theory of inheritance and explain the effect of linked genes on chromosomal…

A: Chromosome theory of inheritance In 1902 and 1903, Sutton and Boveri proposed this theory. This…

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

A:

Q: How many different classes of offspring (events) are present?

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

Q: What does Germline DNA refers to?

A: Deoxyribonucleic acid (DNA) is the genetic material that carries information from one generation to…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.