Answer: The correct option is A (chromosome Number is reduced from diploid to haploid)
Explanation:
In sexual reproduction, offspring are produced by fusion of two different sex cells which usually come from two different parents. These sex cells are know as gametes.
Meiosis is a type of cell division that gives rise to gametes in which the chromosome number is halved. Thus, the gamete cell is said to contain a haploid number (n) of chromosomes.
A diploid cell has two sets of chromosomes: one from the male parent and the other from the female parent. When a diploid cell undergoes meiosis the following occurs:
--> the chromosomes replicate once and
--> the nucleus and cell duplicate ( divide equally) twice.
As a result, the diploid parent cell gives rise to four haploid gamete cells. Therefore the statement "chromosome Number is reduced from diploid to haploid ' is true concerning meiosis I.
im going to try answering this question because my teacher dont teach me science so i think its true but if its wrong im sorry
A. alleles are variations of a gene trait
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▹ Answer
<em>See below.</em>
▹ Step-by-Step Explanation
Genes - parts of the DNA which control the traits of an organism
DNA - molecule that carries the genetic instructions for all living organisms. Found in the chromosome.
Nucleus - stores the cell's hereditary material or DNA
Chromosomes - Thread-like structures that are found in the nucleus of a cell that contains DNA.
Hope this helps!
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Mutations are caused by changes in nucleotide bases. these altered base formed different amino acid depending upon nucleotide base sequence that code specific amino acid. ... even though some mutations, can have a more effect on amino acid coding, which can affect what kind of proteins are produced.
