0
What most directly causes variation in the offspring of sexually reproducing organisms?
Sexual reproduction allows some of the genetic material from the father and mother to mix producing offsprings that are not identical but resemble the parents in certain charateristics. This combination of genetic material from the father and mother results in the variation of offsprings.
What else can I help you with?
Why does asexual reproduction produce no variation in offspring?
Asexual reproduction produces no variation in offspring because it involves only one parent, so all genes are copied directly from that single parent. There is no mixing or recombination of genetic material from two different individuals, which is what leads to genetic variation in sexual reproduction.
How does the process of mitosis contribute to genetic variation through the phenomenon of crossing over?
During the process of mitosis, genetic variation is not directly contributed through crossing over. Crossing over occurs during meiosis, not mitosis. In crossing over, homologous chromosomes exchange genetic material, leading to genetic variation in offspring. Mitosis, on the other hand, is a cell division process that produces genetically identical daughter cells.
How do offspring inherit traits in asexual reproduction?
During asexual reproduction, a single parent passes copies of all of its genes to each of its offspring. The individual reproduced is the parent cell's clone, an organism that is GENETICALLY IDENTICAL to its parent. Hope that helps!
What are some disadvantages of binary fission?
The main disadvantage of binary fission is the passing of defects and disease directly to the offspring. Another disadvantage of binary fission is the chance of evolution being low, as no recombination of genes occurs in this process.
What is true breeding?
Purebred organisms are the organisms in the off springs for many generations which have the same traitA true-breeding organism, sometimes also called a purebred, is an organism that always passes down certain phenotypic traits (i.e. physically expressed traits) to its offspring.
What is the central force driving evolution?
Reproductive variation is central to evolution. All else in evolutionary theory follows directly or indirectly from the fact that organisms reproduce with variation.
Why does asexual reproduction produce no variation in offspring?
Asexual reproduction produces no variation in offspring because it involves only one parent, so all genes are copied directly from that single parent. There is no mixing or recombination of genetic material from two different individuals, which is what leads to genetic variation in sexual reproduction.
Is meiosis used to grow?
No, meiosis is not used for growth. Instead, it is a specialized type of cell division that occurs in sexually reproducing organisms to produce gametes (sperm and eggs). Growth typically involves mitosis, where somatic cells divide to increase in number and facilitate tissue development. Meiosis contributes to genetic diversity in offspring rather than directly to growth.
A varies directly as b and a equals 12 when b equals 4 What is the constant of variation?
a varies directly as b and a = 12 when b = 4. What is the constant of variation?
How do organisms use a watershed?
Organisms use a watershed for drinking water, absorbing nutrients, sheltering and reproducing. Watersheds provide habitats for various plants and animals to thrive, supporting biodiversity and ecological balance. The health of a watershed directly impacts the health and survival of the organisms living within it.
What is an organisms that use sunlight directly to make sugar?
what is an organisms that use sunlight directly to make sugar
How does the process of mitosis contribute to genetic variation through the phenomenon of crossing over?
During the process of mitosis, genetic variation is not directly contributed through crossing over. Crossing over occurs during meiosis, not mitosis. In crossing over, homologous chromosomes exchange genetic material, leading to genetic variation in offspring. Mitosis, on the other hand, is a cell division process that produces genetically identical daughter cells.
Is y4x a direct variation?
To determine if ( y = kx ) represents a direct variation, ( y ) must vary directly as ( x ) with a constant ratio ( k ). The expression ( y = 4x ) indicates that ( y ) is directly proportional to ( x ) with a constant of variation ( k = 4 ). Thus, yes, ( y = 4x ) is indeed a direct variation.
What is the direct variation formula?
a is directly proportinal or inversely proportional to b
What organisms directly or indirectly provides food for the majority of organisms?
Algae
How is selective breeding related to genetic modification?
Selective breeding and genetic modification are both methods used to enhance desirable traits in organisms, but they differ fundamentally in their approach. Selective breeding involves choosing parent organisms with specific traits to produce offspring with those traits over multiple generations, relying on natural genetic variation. In contrast, genetic modification involves directly altering an organism's DNA using biotechnological techniques, allowing for more precise and immediate changes. While both aim to improve traits, genetic modification can introduce traits from unrelated species, whereas selective breeding works within the confines of existing genetic variation.
What is directly variation?
A variable y is said to be in direct variation with a variable x if there is a constant c (>0) such that y = c*x. c is called the constant of direct variation or proportionality.
