1. What separates during Anaphase I?

2. What separates during Anaphase II?

3. What do genes code for?4. What are the names of the two

sex chromosomes present in mammals?

Logistics• Get out the Cross Application

Packet

Logistics• So far this unit we have

covered:• Objectives 1-5 and 8-11 (12-15 today)• All but 8 vocab words (4 more

today)

To remember genotype and phenotype we will do a short

activity about YOUR traits.

Copy the table on to page 53Trait Phenotype Possible Genotype (s)

Tongue RollingEarlobesEar BumpWidow’s PeakHitchhiker’s ThumbCleft ChinHair WhorlSBT Paper Taste

Tongue Rolling (R/r)The ability to roll your tongue is dominant

Earlobes (L/l)Attached earlobes are recessive

Ear Bump (B/b)Ear bumps are dominant

Widow’s Peak (V/v)Widow’s Peak hairline is dominant

Hitchhiker’s Thumb (H/h)Hitchhiker’s thumb is dominant

Cleft Chin (C/c)Cleft chins are dominant

Hair Whorl (W/w)A clockwise swirl is dominant

SBT Paper Taste (T/t)The ability to taste the chemical is dominant

Patterns of Inheritance – pg 54

Chromosomes

Chromosomes

Chromosomes

Chromosomes

Chromosomes

Chromosomes

Autosomal Dominant

Autosomal Recessive

Sex-Linked Dominant

Sex-Linked Recessive

Nondisjunction