Meiosis is a biological process in eukaryotes that reduces the number of chromosomes in a cell by half and introduces genetic variation. It produces four genetically unique haploid cells from each diploid parent cell, which are essential for sexual reproduction.
The main functions of meiosis are to reduce the number of chromosomes in the parent cell by half and to produce four genetically unique haploid cells from each diploid parent cell. In eukaryotes, this process is necessary for sexual reproduction. Meiosis begins with the duplication of each chromosome during the interphase. This is followed by two rounds of nuclear division where homologous chromosomes and then sister chromatids are separated into different nuclei. This process introduces genetic variation through crossover in prophase I and random alignment of chromosomes at metaphase I.
Diploid cells are those that contain two sets of chromosomes (one set from each parent). In contrast, haploid cells produced by meiosis contain only a single set of chromosomes. After meiosis, these haploid cells (sperm and eggs in animals) can fuse during fertilization to produce a diploid offspring with two sets of chromosomes. The genetic variation introduced during meiosis and fertilization is critical for the survival and evolution of species.
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II. DNA is unwound to expose a single template strand.
III. tRNA molecules carrying various amino acids bond to mRNA based on the sequence of mRNA codons.
IV. mRNA arrives at the ribosome
V. Introns are snipped out of an mRNA molecule.
V. tRNA, carrying methionine amino acid, bind to mRNA.
Answer:
IV, VI, III, I
Explanation:
Translation is the process of synthesis of protein from with the help of messenger RNA (mRNA).
The process of translation include initiation, elongation and termination.
So, the correct chronological order is IV, VI, III, I.
The exchange of genetic material between organisms living at the same time in the same environment is known as horizontal gene tratransfer. This process, along with gene flow, contributes to genetic diversity and reduces the risk of extinction.
Genetic exchange between organisms living at the same time in the same environment is considered to be Horizontal gene transfer. This concept involves the introduction of genetic material from one organism to another within the same generation. It is different from vertical gene transfer, which is the transmission of genetic information from generation to generation. Horizontal gene transfer allows even distantly related species to exchange genes, impacting their phenotypes. Gene flow is another related concept, which involves the exchange of genetic material between populations, contributing to genetic diversity and reducing the risk of extinction.
Learn more about Horizontal gene transfer here:
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Carbohydrate
Nucleic acid
Fat
Protein
Answer:
Nucleic acid.
Explanation:
Biomolecules are the important molecules that makes up the constituent of the living organism. Four important types of biomolecule are proteins, carbohydrates, lipids and nucleic acid.
Nucleic acids are DNA nad RNA molecule. They are the polymers of nucleotides. The nucleotides consist of a five carbon sugar, nitrogenous base and the phosphate group.
Thus, the correct answer is option (2).
Answer:
Option 2
Explanation:
Biomolecules are the important molecules that makes up the constituent of the living organism. Four important types of biomolecule are proteins, carbohydrates, lipids and nucleic acid.
Nucleic acids are DNA nad RNA molecule. They are the polymers of nucleotides. The nucleotides consist of a five carbon sugar, nitrogenous base and the phosphate group.
Answer: Elk
The coniferous forests are found in the cold regions of the world. They are found in the taiga biome. These forests are also called as boreal forests. The vegetation composed of cone bearing and exhibiting needle leaves trees. These forests because of harsh winter conditions cannot sustain many life forms in terms of fauna and flora. The animals species found in these regions includes elk, beavers and deer.
Elk is the herbivorous animal species which feed upon grasses, plants, and bark in the coniferous forest. They are capable of tearing the bark with their sharp canines. This is a kind of adaptation shown by these animals in the scarcity of food.
Sense the person is heterozygous, the person will receive one of each gene. Phenotype is what the person will look like. So sense T is for tall, this will be the dominant trait because it's capital, t is for short, and is less dominant. So the person's phenotype will be tall.
--Hope this helped.
Answer:
the phenotype is tall
Explanation:
T= dominant
t=short
the dominant always masks the recessive genotype
phenotype means the physical appearance of an organism, so it would be tall