Question

URGENT!!!Will fan and medal to whoever can check these questions!!!

A student studying the following pedigree states that the person #9 is homozygous for a dominant trait Explain how she is able to determine this.

Answer 1

A. because both the male and female members of this family display the trait.
B. because this trait appeared in every generation of the family.
C. because this persons children both male and female all have the trait
d. because this persons children all express the dominant trait even though her spouse is recessive for the trait<----

Answer 2

For the pedigree in Figure 14–6, shaded symbols represent afflicted people. Males are squares; women are circles. If the trait is a sex-linked trait carried on the X chromosome, what is true about the mother represented by circle 1?
a. She has two alleles for the disorder.
b. She has one allele for the disorder.
c. She has no alleles for the disorder.
d. She has the genotype XXY.

Answer 3

B?

Answer 4

For the second one B is correct

Answer 5

Do you know the first one?

Answer 6

that's correct too !!!! :)

Answer 7

Thank you

Answer 8

No problem :)