Exam 9: Patterns of Inheritance

Which of the following is the normal path of a normal "cystic fibrosis" protein?

Most people of African,Asian,and Native American descent carry the same allele for the melansome gene.What is the function of the melanosome gene product?

Four of the five answers listed below are caused by recessive genes.Select the EXCEPTION.

George is a normal XY boy.Who among the following would essentially have the same Y chromosome as George?

Humans have an MN gene that codes for a red blood cell antigen.The gene has two alleles,M and N.When the two alleles are inherited together,MN,both are expressed.This is an example of

What was the big piece of the puzzle that was missing from Darwin's theory of evolution in his day?

Why has cystic fibrosis persisted at such a high percentage in some populations?

What could the children of a color-blind woman and a man with normal vision be?

Ella is a normal XX girl who is red-green colorblind.She is pregnant and the father is Terrick who has normal color vision.What is the probability that - if they have a daughter - the daughter will be red-green colorblind?

Which of the following is NOT a single gene trait?

If a 1n egg is fertilized by a n-l sperm,the resulting zygote will have

Various forms of the same gene are called

The mutated gene that causes cystic fibrosis is

The ABO blood types have ____ different genotypes.

In Hutchinson-Gilford progeria,which organelle is affected?

Pleiotropic genes

In the Bombay phenotype,a gene in the recessive condition blocks the expression of A and B red blood cell antigens.Thus,all A,B,and AB genotypes are expressed as the O phenotype.This is an example of

For this problem,you may want to create a Punnett Square on a separate piece of paper.Manuel has both cystic fibrosis,a recessive disorder,and sickle cell anemia which is also a recessive disorder.Manuel's partner,Lucretia,is normal for both conditions.What is the probability that Manuel and Lucretia will have a normal child without either of the conditions Manuel has?

What best explains why some organisms 'breed true" for certain traits?

In rabbits,black coat is dominant to white coat.A testcross was performed between black rabbits and white rabbits.In the litter of kits (baby rabbits)that resulted 10 were black and 2 were white.What is the genotype of the black rabbit parent?