Sex Linked Traits Worksheet 2
The bison herd on konza prairie has beoun to show a oenetic defect.
Sex linked traits worksheet 2. In hemophilia the defective allele prevents the synthesis of a factor needed for blood clotting. Sex linked traits other contents. A y linked trait an x linked dominant trait and an x linked recessive t. You will be able to copy this file and use it with google classroom or any other paperless initiative.
Uses for this product. This genetics activity is a 9 problem worksheet containing sex linked crosses and the punnett squares to work them. What is the chance that the parents will have a girl. In humans the x chromosomes are much larger than the y chromosome and contains thousands of more genes than the y chromosome.
Chromosomes and that the 23rd pair are the sex chromosomes. Worksheet 2 sex linked traits directions. Unicorn genetics sex linked traits punnett squares worksheet mendelian genetics. Three traits are included.
Females are xx and males are xy. Some of the males have a condition known as 1 abbit hock in which the knee of the back lea is malformed slightly. An independent work station in a set of stations. Males have a 1 in 2 chance of inheriting that trait.
In colorblindness the defective allele prevents a person from seeing certain colors. Sex linked traits worksheet background information. On page 2 of this resource you will find a link to a student friendly google slide version of this file. Name genetics pedigree worksheet a pedigree is a chart of a person s ancestors that is used to analyze genetic inheritance of certain traits especially diseases.
Complete a punnett square for the cross between a human female xx and a human male xy. The symbols used for a pedigree are. Each generation is labeled with a. Females can be normal carriers or have the disease.
Sex linked inheritance practice 3 name. Hemophilia and colorblindness are two common sex linked recessive disorders. Complete the following problems by doing the punnett square for each cross and answering the question asked. In humans hemophilia is a sex linked trait.
Recessive traits baldness colorblind hemophilia carrier add to my workbooks 0 download file pdf embed in my website or blog add to google classroom. Female unaffected female affected male unaffected male affected siblings are placed in birth order from left to right and are labeled with numbers. If an x linked trait is recessive females have a 1 in 3 chance of inheriting that trait. Sex linked traits are those whose genes are found on the x chromosome but not on the y chromosome.
Males will either have the disease or not but they won t ever be carriers. Assume the oenes controllincy this trait are sex linked and that the rabbit hock is recessive. The traits found on the 23rd x chromosome are called x linked traits.