1) A brain cell would be one a) body cell
b) sex cell

2) An egg cell would be one
a) body cell
b) sex cell

3) A muscle cell would be one
a) body cell
b) sex cell

4) A skin cell would be one
a) body cell
b) sex cell

Help plz

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources? (site 1)

Explain why phospholipid molecules form a bilayer. (3 marks)

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?