Question

In sexually reproducing species, each individual begins life with dna inherited from both parent organism. in a short essay, apply this idea to what occurs when organisms of two species that have homologous chromosomes mate and produce

Answer 1

Sexual reproduction in sexually reproducing species involves the fusion of haploid gametes from two parents to form a diploid zygote. Variation in offspring is created through meiosis, where homologous chromosomes exchange genetic material, contributing to genetic diversity, which is crucial for adaptability and evolutionary success.

Step-by-step explanation:

Sexual Reproduction and Genetic Diversity

Sexual reproduction is the process through which two individuals of a sexually reproducing species combine their genetic material to produce genetically diverse offspring. In sexually reproducing organisms, each parent contributes one half of the offspring's necessary genetic material through gametes - sperm from the father and egg from the mother. These gametes are haploid cells, meaning they contain one set of chromosomes, which fuse during fertilization to form a diploid zygote with a complete set of genetic information.

The genetic material of each parent includes homologous chromosomes, which carry the same genes but may have different alleles. These differences in alleles contribute to the genetic variation in offspring. This variation is introduced during meiosis, where DNA replication precedes the recombination of homologous chromosomes, followed by two rounds of cell division, resulting in four haploid gametes with unique genetic combinations. Homologous chromosomes are essential because they pair up and exchange genetic material during meiosis - a process known as crossing over - contributing to genetic diversity. In species with sexual reproduction, such genetic diversity plays a crucial role in their adaptability and evolutionary success.

Answer 2

Sexual reproduction is an early evolutionary modernization after the appearance of eukaryotic cells. During sexual reproduction, the genetic material of two individuals is put together to produce genetically-diverse offspring that is not the same from their parents. Actually there are more eukaryotes reproduce sexually is the proof of its evolutionary success. Most of the animals, it is actually the only way of reproduction. The genetic diversity of sexually-produced offspring is thought to produced species a better chance of surviving in a changing or unpredictable environment.

The variation that sexual reproduction make among offspring is very important to reproduction of the population and the survival .

In sexual reproduction, different mutations are continually reshuffled from one generation to the next when different parents combine their unique genomes; this results in an increase of genetic diversity.

On average, a sexually-reproducing population will leave more offspring than an otherwise similar asexually-reproducing population.