inheritance Flashcards
how do you inherit characteristics
from biological parents through genetic material stored in the nucleus of your cells
- material is chemical called DNA
- DNA contains all info needed to make an organism
why do brothers and sisters not look completely the same
they each inherit a different mixture of characteristics
how is DNA arranged in the nucleus
long strands called chromosomes
how many chromosomes does a human have in its nucleus
46 chromsomes
- half from your mother and half from your father which is why you share some characteristics from both
each chromosome is divided into sections of DNA the sections that hold the information to produce a characteristic are called _____
genes
- for example one gene contains info that sets your eye colour
- each chromosome has thousands of genes