Patterns of heredity review
This presentation is the property of its rightful owner.
Sponsored Links
1 / 41

Patterns of HeredityReview PowerPoint PPT Presentation


  • 43 Views
  • Uploaded on
  • Presentation posted in: General

Patterns of HeredityReview. What mode of inheritance shows a blending of a trait?. Incomplete dominance. What is the sex of this individual?. Female. Who determines the sex of a child? . Father. Identify the disorder. Turner’s Syndrome. G.

Download Presentation

Patterns of HeredityReview

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Patterns of heredity review

Patterns of HeredityReview


What mode of inheritance shows a blending of a trait

What mode of inheritance shows a blending of a trait?

Incomplete dominance


What is the sex of this individual

What is the sex of this individual?

  • Female


Who determines the sex of a child

Who determines the sex of a child?

Father


Identify the disorder

Identify the disorder.

  • Turner’s Syndrome

G


What did gregor mendel use to conduct his experiment

What did Gregor Mendel use to conduct his experiment?

Gardenpeas


List 2 environmental external factors that can influence gene expression

List 2 environmental (external) factors that can influence gene expression?

  • Temperature

  • Radiation

  • Light

  • Chemicals

  • Virus/Bacteria


Why do sex linked traits occur more often in males than females

Why do sex-linked traits occur more often in males than females?

  • Males are missing the part of the Y chromosomes that has these traits


Is anything that can cause a mutation

______ is anything that can cause a mutation

Mutagen


What is an example of a sex link trait

What is an example of a sex-link trait?

  • Hemophilia

  • Color-blindness

  • Baldness


Inheritance is where more then one gene is controlling a trait

__________ inheritance is where more then ONE gene is controlling a trait

Polygenic inheritance


In a pedigree how is death notated

In a pedigree, how is death notated?

  • A slash through the symbol


Patterns of heredity review

The following pedigree shows individuals with blue eyes. Blue eyes are recessive to brown. What is the dad’s genotype?

I.

  • Bb

II.


Is an abnormal number of chromosomes

_____ is an abnormal number of chromosomes

Aneuploidy


Body chromosomes pairs 1 22 are called

Body chromosomes; pairs 1-22 are called _____

Autosomes


Is the failure of the homologous chromosomes to separate during meiosis

_____ is the failure of the homologous chromosomes to separate during meiosis

Nondisjunction


Is a chart where the chromosomes are arranged in their homologous pairs

_____ is a chart where the chromosomes are arranged in their homologous pairs

Karyotype


What would be an internal factor that can influence gene expression

What would be an internal factor that can influence gene expression?

Hormones


An individual with the genotype i a i for their blood type would have what blood type

An individual with the genotype IAifor their blood type would have what blood type?

A blood type


In a karyotype chromosomes are matched according to and

In a karyotype, chromosomes are matched according to ________, _______, and_____

  • Size,

  • Banding Patterns,

  • Centromere location


How many autosomal chromosomes are present

How many autosomal chromosomes are present?

  • 44


Patterns of heredity review

The following pedigree shows individuals with blue eyes. Blue eyes are recessive to brown. What is the sex of their oldest kid?

I.

  • boy

II.


Is a mutation that occurs when a segment of a chromosome breaks off and is reinserted backwards

_____ is a mutation that occurs when a segment of a chromosome breaks off and is reinserted backwards

Inversion


Patterns of heredity review

____ mutation causes an error in DNA that adds or deletes a single base that causes all the following amino acids to be affected

Frameshift mutation


What trait is an example of multiple alleles

What trait is an example of multiple alleles?

BloodTypes


How many chromosomes does a human that has trisomy 21 have

How many chromosomes does a human that has Trisomy 21 have?

47


A normal male karyotype would contain as the sex chromosomes

A normal male karyotype would contain ____ as the sex chromosomes.

XY


Mutation that occurs when one chromosome of a pair is missing is called

Mutation that occurs when one chromosome of a pair is missing is called _____

Monosomy


Give an example of a genotype that would represent a carrier female

Give an example of a genotype that would represent a carrier female

XBXb


When a chromosome breaks off joins another chromosome this mutation is called

When a chromosome breaks off & joins another chromosome, this mutation is called_____

Translocation


Patterns of heredity review

What type of inheritance has the phenotype of the heterozygous offspring showing BOTH traits of the homozygous parents?

Codominance


What type of inheritance is shown when the trait occurs more frequently in one sex than another

What type of inheritance is shown when the trait occurs more frequently in one sex than another?

Sex-Linked


Patterns of heredity review

Suppose you were looking at a pedigree and you saw an individual’s genotype was labeled “R?”. What does that genotype represent?

Dominant phenotype. But, you do not know if the other allele is dominant or recessive


Patterns of heredity review

What type of inheritance is exhibited when there are more than 2 possible alleles for a certain trait or phenotype?

Multiplealleles


Patterns of heredity review

A mother who is heterozygous for type A blood marries a man who is homozygous for B blood. What are the blood genotypes of the children?

  • 50% IAIB

  • 50% IBi


In pedigrees how are males and females represented

In pedigrees, how are males and females represented?

Males – squares

Females - circles


What type of inheritance pattern would you use a prime to notate the alternate form of an allele

What type of inheritance pattern would you use a prime (‘) to notate the alternate form of an allele?

Incomplete dominance


What do the roman numerals represent that are labeled on a pedigree

What do the roman numerals represent that are labeled on a pedigree?

Generation numbers


How many autosomes does a human have

How many autosomes does a human have?

44 or 22 pairs


A normal female karyotype would contain as the sex chromosomes

A normal female karyotype would contain ____ as the sex chromosomes.

XX


Patterns of heredity review

The following pedigree shows individuals with blue eyes. Blue eyes are recessive to brown. What is the mom’s genotype?

I.

  • bb

II.


  • Login