If a sample of air contains 1 g/kg of water vapor and has a relative humidity of 25 percent at -5 degrees celsius how much water vapor does it need to contain to be saturated? a) 2 g/kg b) 1 g/kg c) 4 g/kg d) 3 g/kg

When does dna replication(make a copy of itself)?

Rue or false siblings look simila rbecause they each have some traits of their parents.

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?