Mendellian Genetics

Question 1

Heredity

Answer 1

The passing of traits from parents to offspring.

Question 2

Gene

Answer 2

A specific section of DNA that codes for a trait.

Question 3

Trait

Answer 3

A characteristic which is passed from parent to offspring.

Question 4

Allele

Answer 4

The different possible combinations of a trait.

Question 5

Genotype

Answer 5

Condensing a large section of DNA and representing it as a single letter.

Question 6

Phenotype

Answer 6

States the physical appearance that is expressed.

Question 7

Homozygous

Answer 7

Having identical genes (alleles) for one trait

Question 8

Heterozygous

Answer 8

Having two different genes (alleles) for one trait

Question 9

Dominant

Answer 9

Dominant alleles mask recessive alleles. Always represented with the uppercase.

Question 10

Recessive

Answer 10

The ‘weaker’ gene, only seeing if there is no dominant gene present. Always represented with the lowercase.

Question 11

History of genetics

Answer 11

Gregor Mendel - Father of Genetics

Question 12

Mendels conclusions

Answer 12

1. Characteristics are inherited.
2. Characteristics have multiple different forms called alleles.
3. Some alleles are dominant and some are recessive.

Question 13

P generation

Answer 13

Parental generation

Question 14

F1 generation

Answer 14

First set of offspring from P generation

Question 15

F2 generation

Answer 15

Next set of offspring product of F1 interbreeding