Sex linked , sex influenced traits & Family pedigree

Help

1-Which is a mutation? A-a factor that causes all human disease B-any gene that is harmful C-a permanent change in a gene D-a piece of recombinant DNA

C-a permanent change in a gene

2- Sex chromosome X is ……………………… than Y

longer

3-Females have ………………… sex chromosomes.

XX

Unlock this slideshow and over 4 million more with Baamboozle+

Try slideshows