Bacteria is a first line of defense for our immune system. true or false
a. true
b. false

What are the characteristics of living things

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.