Intro to genetics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| heredity | the passing on of physical or mental characteristics genetically from one generation to another.
🗑
|
||||
| genetics | the study of heredity and the variation of inherited characteristics.
🗑
|
||||
| traits | Characteristics or attributes of an organism that are expressed by genes and/or influenced by the environment.
🗑
|
||||
| alleles | Set of genetic information for a trait (AA, Aa, aa). Also known as genes.
🗑
|
||||
| Gregor Mendel | Father of genetics. Studied pea plants
🗑
|
||||
| Genotype | Different forms of a gene. Refers to the allele makeup (AA, Aa, or aa).
🗑
|
||||
| Phenotype | The physical characteristics of an organism
🗑
|
||||
| Dominant | Genes that are stronger. it actually masks or covers up the weaker trait. Represented by an Uppercase letter.
🗑
|
||||
| Recessive | Genes that are weaker. They are hidden by the dominant genes. Represented by a lowercase letter
🗑
|
||||
| DNA | Found in the chromosomes. Also known as deoxyribonucleic acid (DNA)
🗑
|
||||
| Chromosomes | a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. We have 46.
🗑
|
||||
| fertilization | Combining of the male and female sex cells (gametes) to form a new organism
🗑
|
||||
| homozygous | Having two of the same alleles (AA, or aa)
🗑
|
||||
| heterozygous | Having two different alleles (Aa)
🗑
|
||||
| punnett square | The Punnett square is a diagram that is used to predict an outcome of a particular cross or breeding experiment.
🗑
|
||||
| Hybrid | DEFINITION: offspring of two different true-breeding varieties; having different traits or alleles (Bb, Dd, Ff)
🗑
|
||||
| purebred | DEFINITION: the offspring of many generations that have the same traits or alleles (BB, bb, DD, dd).
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
meekinsscience
Popular Science sets