biological divesity

Question 1

Define Genetics

Answer 1

The study of how heritable characteristics are transmitted through generations of organisms

Question 2

Define continuous variation

Answer 2

Heritable characteristics that fall within a range such as height

Question 3

Define discrete variation

Answer 3

heritable characteristics that is either/or ex: you’re either albino or youre not

Question 4

Define dominant trait

Answer 4

the outward form observed when two opposite acting alleles are inherited. A dominant trait is an inherited characteristic that appears in an offspring if it is contributed from a parent through a dominant allele. ex: darker skin color which is dominant over lighter skin color.

Question 5

Define recessive trait

Answer 5

the outward form observed only when two same acting, non-dominant alleles are inherited. Ex: an offspring with two short leg alleles will grow short legs.

Question 6

Define DNA

Answer 6

a molecule that contains the genetic code that is unique to every individual. Deoxyribonucleic acid. Genetic material.

Question 7

Define genetic code

Answer 7

arrangement of four chemical “letters” on a DNA molecule that can be arranged into “words” that form the instructions for making an organism. the instructions contained in a gene that tell a cell how to make a specific protein.

Question 8

chromosomes

Question 9

gene

Question 10

alleles

Question 11

mitosis

Answer 11

a type of cell division that produces two identical daughter cells from one parent cell

Question 12

meiosis

Question 13

traits

Question 14

purebred

Question 15

hybrid

Question 16

incomplete dominance

Question 17

mutaton

Question 18

mutagen