Manipulative experiments alter levels of a predictor variable (or factor), and then measures how one or more variables respond to these alterations. ... Natural experiments-An observational study in which we take advantage of natural variation that is present in the variable of interest.
Answer:
Gametes are haploid cells, and each cell carries only one copy of each chromosome. ... During meiosis, a diploid parent cell, which has two copies of each chromosome, undergoes one round of DNA replication followed by two separate cycles of nuclear division to produce four haploid cells.
Answer:
Answer: Homozygous
Explanation:
An organism in which the two copies of the gene are identical that is, have the same allele is called homozygous for that gene.
Answer:
A
Photosynthesis is one of the final steps in cellular respiration.
Photosynthesis provides the materials needed for cellular respiration
Explanation:
