What is a gene?
a. a piece of dna that controls a trait
b. a specific form of an allele
c. a chromosome that determines gender
d. a group of chromosomes

A). A piece of DNA that controls a trait

Explanation: A gene is a functional unit of hereditary. A gene determines the characteristics of an offspring. Genes are said to be functional unit of hereditary because they are transferred from the parents to the offsprings.

A gene is a nucleotide sequence found on a chromosome which determines a trait in an individual.

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set