Inheritance Flashcards
(20 cards)
How many chromosomes are in body cells
46
Genes
Section of a chromosone that determines your characteristics
How many chromosomes to you have in your gametes
23
What is gamete
Sex cell
What is the male gamete called
Sperm
What is the female gamete called
Egg
What are the male sex chromosomes
XY
What are the female sex chromosomes
XX
What does heterozygous mean
Different forms of genes
What does homozygous mean
Same form of gene
What is DNA profiling (genetic profiling)?
When DNA is analysed and compared. This involves splitting DNA into short bands on a gel which are compared
Name the uses of DNA profiling
Investigating crimes
Paternity testing
Comparing different organisms
Identifying victims
How does insulin lower the level of glucose in the blood
It stored glucose into glycogen and is stored in the liver
What is meant by the term genotype
The genetic make up of an individual
What is meant by the term phenotype
The physical appearance of an individual
What are genes
Section of a chromosome that determines your characteristics
What is meant by the term genetic modification
The transfer of genes from one species to another
How many chromosomes in a human sperm cell
23
State the cause cystic fibrosis
Recessive alleles
Who is Gregor Mendel
A monk who is the father of inheritance
