Genetics

Question 1

Inheritance

Answer 1

DNA is your genetic blueprint

Remember what you have learned about proteins synthesis

Do you know the transcribed to mRNA translated to proteins

Jeans that are segments of DNA code for your proteins and proteins(eyes, hair, muscle, skin, etc) Amount for your traits

Question 2

Parents

Answer 2

You receive half of your genetic make up 23 chromosomes from your mom and half from your dad

Question 3

Chromosomes

Answer 3

Think back to our discussion about karyotype’s. You’re 46 chromosomes can be organized into 23 pairs. The pair of Houma Logus chromosomes are the same size, shape and Keri jeans were the same trait. One of these chromosomes was inherited from mom, and other from dad. Although both chromosomes in the Parikh your information for the same traits they can carry different selections for each trait example mom’s chromosomes could hold a gene for blonde hair and dad’s chromosomes could hold a gene for brown hair

Question 4

Dominant and recessive

Answer 4

A dominant trait covers a recessive trait example brown eyes

A recessive trait is covered up by a dominant trait example blue eyes

Question 5

Dominant

Answer 5

Dominance is the presence of something

Presence of pigment (color)

• brown eyes
• black hair
• darker skin

Presence of hair
-windows peak

Presence of an extra body part

• 6 fingers
• 6 toes

Shown by a capital letter

Question 6

Recessive

Answer 6

Recessive is the absence of some thing
-Can be easily masked

Examples absence of pigment such as blonde hair and light colored eyes

Absence of curls example straight hair

Shown by lower case letters

Question 7

Alleles

Answer 7

An allele what is one of the jeans for a treat. You have two of them for a treat. One from mom and one from dad. They are shown with letters either a dominant a or recessive a

Question 8

Heterozygous

Answer 8

Hetero means different therefore if alleles for a trait are heterozygous Then the individual has one dominant and one recessive (Aa, Bb, Cc)

Heterozygous individuals will show a dominant trait because dominant Masks recessive

Homozygous brown hair Bb

Question 9

Homozygous

Answer 9

How many same so individuals who have homozygous alleles are either

-homozygous, expressed dominant trait

(AA, BB, CC)

BB- brown hair dominant

bb- blonde hair recessive

Question 10

Phenotype

Answer 10

Physical expression of alleles example brown hair, blue eyes, tall

Question 11

Genotype

Answer 11

Genetic make up; alleles

Example BB, bb, Tt, Hh

Question 12

Punnett squares

Answer 12

Used to predict inheritance of traits

Parents generation written on the outside of the square

Possible off spring filled in the middle