videos: intro to genetics, heredity, alleles and genes Flashcards
1
Q
how many chromosomes do human cells contain?
A
46
2
Q
define allele
A
spot on chromosome that codes for specific gene, variation of a gene
3
Q
how many alleles for every specific gene?
A
2
4
Q
-zygous definition
A
mixture of DNA from parents
5
Q
genotype definition
A
person’s individual alleles
6
Q
true or false: two different genotypes can make the same phenotype
A
true
7
Q
father of genetics
A
gregor mendel
8
Q
what is a gene?
A
stretch/region of gene that codes for a specific functional molecule, mRNA, tRNA, etc.