Fill in the blanks Blood that is missing oxygen is as (blank) blood and is carried to the heart via the superior and inferior (blank)

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

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.

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.