11645086
Descrição
FlashCards por lily bevan, atualizado more than 1 year ago
|
Criado por lily bevan
quase 7 anos atrás
|
|
| Questão | Responda |
| How is genetic information passed on? | By gametes. |
| What are gametes? | Sex cells: Egg from the mother, Sperm from the father. |
| What are gametes made from? | Body cells. |
| How many chromosomes do gametes have? | They have half the number as body cells - 23 |
| Why do gametes have less chromosomes? | So when they meet, the resulting cell has the correct number of chromosomes. |
| What is point mutation? | The difference between 2 variants. |
| What is a dominant variant? | One dominant variant is needed in a pair of alleles to have its feature. |
| What is a recessive variant? | 2 recessive variants are needed in a pair of alleged to have its feature. |
| What does homozygous mean? | When a person has 2 alleles that are the same. |
| What does heterozygous mean? | A person has 2 different alleles. |
| If a parent's genotype is EE, what percentage of there gametes will have the E variant? | 100% |
| If a parent has a genotype of Ee, what percentage of gametes will have the E variant? | 50% |
| What is a pungent square? | A genetic diagram to model possible combinations of genetic variants. |
| What's another type of a genetic diagram? | Family tree. |
| What is meant by a carrier? | Someone who has only one recessive variant. It is not expressed in their phenotype, but they can pass it down to offspring. |
Quer criar seus próprios Flashcards gratuitos com GoConqr? Saiba mais.