Name:



Name: ____________________ Period: ________ Date: __________________

Genetic Disorders Mind Map

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What you need to know for the Human Genetics Test

Vocabulary Questions

$100: _______________________ What is a photograph of chromosome pairs that can detect number disorders, such as Turner Syndrome?

$200: _______________________ What is the failure of chromosomes to separate in anaphase that causes number disorders?

$300: _______________________What are autosomes?

$400: _______________________ What is a diagram that follows the inheritance of a single trait through several generations of a family, such as cystic fibrosis?

$500: _______________________ What are disorders located on the X or Y Chromosomes?

Human Cells

$100: _________ What are the sex chromosomes for males?

$200: _________ Which sex decides the sex of the child, the male or female?

$300: A. ________ How many chromosomes are in a somatic cell?

B. ________ How many sex chromosomes would a somatic cell contain?

$400: A. ________ How many chromosomes are in a gamete cell?

B. ________ How many sex chromosomes would a gamete cell contain?

$500: If a man and a woman have three children and the first two are boys, what is the chance that the third child will also be a boy, (write your answer as a percentage)? __________

Number Disorders

$100: ___________ True or False: A karyotype shows that a baby has 46 chromosomes, therefore it can ensure the baby is normal and has no disorders.

$200: ___________ Using the pedigree to the pedigree to the right. Identify the following:

A. Sex of baby: ____________

B. Diagnosis: __________________

$300: ____________ True or False: Autosomal number disorders are the most deadly, or lethal.

$400: A sex chromosome disorder that is characterized by males showing poor sexual development and infertility…

A. is known as ___________________________________

B. has the following sex chromosomes: _______________

$500: ____________ How many chromosomes would a baby have, total, that has a number disorder defined by trisomy?

ABO Blood Types

$100: _______________________ ABO Blood types are determined by a gene with three alleles, name the vocabulary term that describes this type of trait.

$200: _______________________ A child can only get type O blood with the genotype ii. Is this genotype Co-Dominant, recessive, or homozygous dominant?

$300: _______________________ True or False: ABO Blood types can be describe as Co-Dominant.

$400: If a male with type AB blood and a female with type B blood have a child, is it possible for them to have a child with type A blood?

$500: If the mother has blood type O and the child has blood type A, what are all the possible blood types of the father?

Autosomal & Sex-Linked Disorders

$100 __________________ Name the recessive disorder that is characterized by failure to produce the pigment melanin.

$200 __________________ Name the sex-linked disorder that is characterized by missing the enzyme required for normal blood-clotting.

$300 __________________ Which chromosome are most sex-linked disorders linked to?

$400 __________________ What is the probability of having a son with colorblindness if you cross a mom that is a carrier for colorblindness and dad that is colorblind, (Answer as a percentage)?

$500 __________________ What is the probability of having a child with cystic fibrosis if you have a mom that is heterozygous dominant for the trait and a dad that is homozygous recessive for the trait, (Answer as a percentage)?

Pedigrees

$100 _________________ What represents males on the pedigree?

$200 _________________ What represents an infected individual?

$300 _____ The pedigree to the right represents Cystic fibrosis. What would the genotype of individual II, 2 be?

$400 _______________ The pedigree to the right is a dominant trait. Is the pedigree sex-linked or Autosomal?

$500 __________________

The pedigree below shows hemophilia. What is the genotype of individual 6?

What you need to know for the Human Genetics Test

Define: mutation, karyotype, pedigree, autosomal, sex-linked

What is the result of a mutation

Know genotype for males, and females, what type of gametes they produce

How many chromosomes (And pairs) human have in their diploid and haploid cells

How sex-linked disorders are inherited

What is nondisjuction and what is the result of it

How ABO blood types are inherited

Know description of the disorders and what kind they are

Be able to do sex-linked Punnett squares

List sex-linked disorders

List the nondisjunction disorders

List the autosomal disorders

Know how to interpret a pedigree

Look over your Pedigree Practice worksheet and watch the youtube videos on the website!!!

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Define Non-Disjunction

Define Autosomal

Define Sex-Linked

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