Answer:
An organism is <u><em>homozygous</em></u> for a gene if it has two copies of the same allele for the gene.
The genotype of an organism and the interaction of the genotype with the environment determine the organism’s <u><em>phenotype</em></u> , or observable characteristics.
The law of independent assortment states that the separation of alleles for one gene are independent of that of other genes, unless the genes are<u><em> not linked.</em></u>
Mendel’s law of<u><em> segregation</em></u> governs which allele is expressed in an individual.
Explanation:
A homozygous trait can be described as a trait in which both the alleles of the gene are the same. Heterozygous means that the alleles of the gene will be different.
Genotype is the genetic makeup of an organism where as phenotype of the physical appearance of traits.
Mendel formulated two laws: Law of dominance and Law of Independent Assortment.
Option B)
They prevent most of the Sun's rays from reaching Earth, thereby preventing Earth from heating up
Cells make up the smallest bits of every living thing. Everything that contributes to a living thing being alive comes from cells, making it the fundamental part of life.
D, because flatworm don't use cellular respiration nor do they use photosynthesis or make their own food neither do humans, which leaves the D, which is true. :)
