Question |
Answer |
What do you call the study of the inheritance of characetesitics |
Genetics |
Name some inherited physical characteristics |
Eye colour, hair colour, free ear lobes |
What is the name given to thread like structures found in the nucleus of as cell |
Chromosomes |
What are chromosomes made from |
Protein and DNA |
How many chromosomes are present in each sex cell, egg and sperm |
23 |
What do you call the chemicals present on chromosomes that carry the genetic information |
Genes |
How many chromosomes present in all cells except sex cells |
46 |
What is the name given to a gene that appears in a child when two different genes are controlling a characteristic |
Dominant gene |
What is the name given to the gene that does NOT appear in a child when two different genes are controlling a characteristic |
Recessive gene |
Capital letters are used to represent what type of gene |
Dominant |
Small letters are used to represent what type of gene |
Recessive |
Name some non inherited characteristics |
Riding a bike, drive car, speak Irish |