An error occurred during meiotic cell division, and a human egg has an extra copy of chromosome 21. That egg was fertilized by a normal sperm to create an embryo. This would lead to an individua

Q: Homologous chromosomes contain the same _________________, but may not contain the same…

A: Homologus chromosomes are the chromosomes with same genes. For example, we have a pair of…

Q: 19. Independent assortment of chromosomes is a result of which of the following processes? A) the…

A: As per Bartleby Guidelines, only the first three questions can be answered. Please repost the…

Q: A misaligned crossover between two homologous chromosomes usually results in:

A: Crossing over is the process of exchange of gene segments between the non sister chromatids of…

Q: Which image best depicts a cell in Metaphase 2 of meiosis

A: Meiosis is the process of recombination of genes in the homologous chromosomes for mixing and…

Q: Please write in digital format Define the following terms: a) Triploid b) Monosomic c) Trisomic d)…

A: Normal cell has a diploid number of chromosomes. Each cell has 23 pairs of chromosomes out of which…

Q: Which process is responsible for creating unique recombinant chromosomes during meiosis?

A: The objective of the question is to identify the process that leads to the creation of unique…

Q: What are Extrachromosomal elements?

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

Q: Consider a hypothetical diploid genome (n=2) with two pairs of chromosomes. For each of the…

A: A cell's growth and division are accompanied by a sequence of processes known as a cell cycle. A…

Q: u Uaugnter cens in mitosis 48) Which best describes the process of independent assortment? A) The…

A: independent assortment It occurs during meiosis 1 at metaphase 1 of the cell cycle. The homologous…

Q: hat is a balanced gamete? A).A gamete that does not contain any chromosomes with inversions B.)A…

A: Introduction Gametes are produced by meiosis before fertilization. Gametes contain half of the total…

Q: a)Draw a lily pollen grain in anaphase of meiosis II. b)How many gametes (sperm) will be in the…

A: 1) Lily pollen grain during anaphase II (n=12) 2) Pollen grain is male gametophyte of angiosperms,…

Q: When do homologous chromosomes pair?  Select all that apply.    A.) During meiosis I   B.) During…

A: Homologous chromosomes refer to a pair of chromosomes having the same gene sequences, each derived…

Q: polyploidy B) chromosome inversions C) single gene mutations D) aneuploidy

A: Cytogenetics is the branch of genetics that studies the morphology of Chromosomes in the nucleus. It…

Q: nd explain it using the following headings: O Name of disorder ) type of variation in chromosome…

A: When a cell is not dividing, chromosomes are not visible in the nucleus, even under a microscope.…

Q: chromosome of genotype   C D recombines with a homolog of genotype   c d during meiosis when Spo11…

A: * Given that chromosome of genotype  "CD"  recombines with a homologous of genotype  "cd" during…

Q: The body cells of chickens have 78 chromosomes in their nuclei. (i) State the number of chromosomes…

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

Q: Lab 5: Reproductive Cell Division - Meiosis 11) The accompanying pedigree concerns a rare inherited…

A: A pedigree or family tree is a chart made up of symbols and lines which represents family history of…

Q: Homologous chromosomes a) are formed when the chromosomes separated during anaphase b) are matching…

A: The nucleus of cell contains chromosomes. Chromosome are the structures that resemble threads. They…

Q: An individual has a deletion of part of the short arm of chromosome 5.  This individual also has a…

A: A chromosome is a DNA molecule and part of genetic material.

Q: 2). What is the diploid number (2n = ?) of an organism if it has a) 12 chromosomes at Anaphase of…

A: Refer to the solution

Q: Discuss the following sets of terms: a) trisomy and triploidy, b) aneuploidy and polyploidy.

A: In human cells normal number of chromosomes is 46.Abnormality in this number results in syndromes or…

Q: A)If a mutation is present in a cell undergoing mitosis, which cells will it be passed on to? If a…

A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…

Q: Domesticated sheep cells have a total of 54 chromosomes (versus 46 chromosomes in human cells). (a)…

A: Chromosomes are the structures that carry DNA.

Q: Following primary non-disjunction, how many gametes will be nulliploid (zero copies) for the…

A: Nondisjunction occurs when the there is incomplete separation of chromosomes during meiosis. It can…

Q: a)What is the synaptonemal complex? b)Why are the X and Y chromosomes not considered homologous even…

A: The synaptonemal complex is a protein structure that forms between two homologous chromosomes during…

Q: a) Draw a lily pollen grain in anaphase of meiosis II. How many gametes (sperm) will be in the…

A: Let's break down each part of your question:a) Drawing a Lily Pollen Grain in Anaphase of Meiosis II…

Q: 44) Pick the answer that best describes how metaphase I and metaphase II differ from eact other. A)…

A: Meiosis is the process that converts a diploid cell into four haploid cells.Haploid cells contain…

Q: Which of the following is a major difference between mitosis and meiosis II? O a) DNA replication…

A: Mitosis: Mitosis is a process of cell division that occurs in somatic cells. As a result of mitosis…

Q: Genetic Recombination during meiosis creates species a) mutation b) variety c) tension d)…

A: Genetic recombination is the formation of a new genotype by exchange of genetic material between two…

Q: Shown below is a karyotype from a human being. How many total autosomes does this individual have?…

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

Q: Translocations occurs between A) homologous chromosomes B) Nonhomologous chromosomes C) homologous…

A: The migration of chromosomal sections among chromosomes is known as interchromosomal translocation.…

Q: If 50% of gametes produced by a double heterozygote are recombinant, then Group of answer choices…

A: Genes are said to be linked if both the genes are present on same chromosome. On the other hand the…

Q: If there are 24 chromosomes in a somatic cell in the Gap 1 of the cell cycle, what is the diploid…

A: The G1 phase, also known as the gap 1 phase or growth 1 phase, is the first of four cell cycle…

Q: hich of the following human aneuploids is/are never viable and will end in a miscarriage? Question 6…

A: Aneuploidy is the condition in which abnormal number of chromosomes are seen in the cell.Normally…

Q: Which of the following would have the shortest p arm of the chromosome? A) acrocentic B)…

A: Each chromosome is divided into two arms. the shorter arm is called p, and the longer arm is called…

Q: Which of the four daughter cells shown at right would produce an offspring with trisomy 3 after it…

A: The correct option is explained below.

Q: How many chromatids are there on any chromosome at the end of S, before meiosis 1? a) 2 b) 8 c) 1…

A: Chromosomes are thread-like structures found within the nucleus of cells and are made up of DNA and…

Q: As two students, who will be designated Student J and Student K, were studying together, they argued…

A: New cells arise from previous cells. Parent cells undergo cell division to produce new cells. There…

Q: A white-eyed  (X-linked  recessive character)  female  fruit  fly  is  mated  to  a  red-eyed  male.…

A: Drosophila is one of the most important creatures in biology, especially genetics and developmental…

Q: ondisjunction during meiosis I b) nothing went wrong c) nondisjunction during meiosis II d)…

A: Meiosis is the the cell division that primarily occurs at the time of reproduction that is it helps…

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.