Genetics Flashcards
(27 cards)
Nucleus
Controls the cell
How many chromosomes in the nucleus
46 (23 pairs)
What are chromosomes made of?
DNA and Protein thread (is the structure)
What does DNA structure look like
Double helix
What does DNA contain
Genetic information (sections are called genes)
What does DNA stand for?
Deoxyribonucleic acid
What DNA made from
molecule chains
Whats DNA
Instructions/code of someones personalitly, features and traits
What are molecule chains made of
Millions of nucleotides
What can Cystine (C) match with
Guarmine (G)
What can Guarmine (G) match with
Cystine (C)
What can Aderine (A) match with
Thyme (T)
What can Thyme (T) match with
Aderine (A)
What the circle in a nucleotide rep.
Phosphate
What does the pentagon in a nucelotide rep.
Deoxyribose Sugar
What does the rectangle in a nucleotide rep.
Base
What are the 4 bases
Garmine (G)
Aderine (A)
Cystine (C)
Thyme (T)
How many autosomal chromosomes are there
44
How many sex chromosomes are there
2
Female chromosomes
XX
Male chromosomes
XY
what letter can Dads give
X or Y
What letter can Mums give
Only X
Homologous chromosomes
Pair 23 in total (1 from mum and 1 from dad)
Can duplicate> splits and doubles chromosome
