Inheritance and stuff Flashcards
1
Q
What is a gamete
A
Sex cells
2
Q
What is a chromosome
A
a structure in the nucleus of a cell that contains DNA and proteins, and carries genetic information for an organism
3
Q
What is a gene
A
DNA makes up genes. Genes are sequences of DNA that code for certain characteristics.
4
Q
What is an allele
A
different versions of the same gene.
5
Q
What is homozygous
A
. alleles are both identical for the same characteristic,
6
Q
What is heterozygous
A
Two alleles are different
7
Q
What is a genotype
A
The alleles that an organism has for a particular characteristic, usually written as letters
8
Q
What is a phenotype
A
the physical characteristics of an organism.
9
Q
What are the four bases of dna
A
adenine (A), cytosine (C), guanine (G), and thymine (T).
10
Q
What are the pairs for the bases of dna
A
At gc
