30 will give brainliest if all questions are answered

1.identify the phenotypes for the offspring of a parent with the genotype iai and a parent with the genotype iaib.

a. type o
b. type a and type b
c. type a and type ab
d type a, type ab, and type b

2.which of the following can determine if a trait is an x-linked trait?

a. a punnett square
b. a pedigree
c. a testcross
d a phenotype

3.why are males more likely than females to have an x-linked disorder?

a. males have two x chromosomes, so there is a greater chance of inheriting a recessive allele.
b. males are unable to inherit the dominant allele for sex-linked traits.
c. males have only one x chromosome, so a recessive allele is always expressed.
d. males always express the recessive allele, even when a dominant allele is present.

4.some people may be born with a trait for producing "wet" earwax. people who have this trait have inherited either one or two of the same allele. this means that the trait is

a. phenotypic
b. recessive
c. segregated
d. dominant

5.when a chicken that is true-breeding for black feathers is crossed with a chicken that is true-breeding for white feathers, the resulting offspring have grey feathers. this is an example of

a. simple dominance
b. codominance
c complete dominance
d. incomplete dominance