GENETICS REVIEW

GAME

HOW TO PLAY The table you sit at is your team I will put a question up on the board

First group who has the correct answer will receive the point

The group with the most points at the end will receive a fabulous prize!

QUESTION 1

What is the complete genetic material contained in an individual?

QUESTION 1 ANSWER

Genome

QUESTION 2

What is a threadlike structure of a nucleic acids and protein found in the nucleus of most living cells?

QUESTION 2 ANWER

DNA

QUESTION 3

What is a genotype of an individual with two different alleles for a given trait?

QUESTION 3 ANSWER

Heterozygous

QUESTION 4

What are the possible genotypes for straight hairStraight(S) hair is dominant to curly(s)

QUESTION 4 ANSWER

SS Ss

QUESTION 5

All chromosomes except the sex chromosomes are called

QUESTION 5 ANSWER

Autosomes

QUESTION 6

Occurs when the phenotype of the offspring is in between the phenotypes of the two parnets

QUESTION 6 ANSWER

Incomplete Dominance

QUESTION 7

A trait that is carried on the sex chromosomes is called?

QUESTION 7 ANSWER

Sex – link trait

QUESTION 8

What is a segment of DNA that codes proteins?

QUESTION 8 ANSWER

Gene

QUESTION 9

What shape is DNA in?

QUESTION 9 ANSWER

Twisted Ladder Double Helix

QUESTION 1 0

Where in the cell are all the chromosomes located?

QUESTION 10 ANSWER

Nucleus

QUESTION 11

What are the four bases that make up the rungs of the DNA Ladder?

QUESTION 11 ANSWER

Thymine Adenine Guanine Cytosine

QUESTION 12

Who was the founder of genetics?

QUESTION 12 ANSWER

Gregor Mendel

QUESTION 13

How did Mendel discover genetics?

QUESTION 13 ANSWER

Crossing pea plants and looking at different traits from the cross

QUESTION 14

What are some of the traits Mendel looked at?

QUESTION 14 ANSWER

Flower color Seed color

Seed shape Pod shape Pod color

Flower position Stem height

QUESTION 1 5

What is a breeding experiment that tracks the inheritance of two traits?

QUESTION 15 ANSWER

Dihybrid cross

QUESTION 16

What is a way to determine traits that are passed on?

QUESTION 16 ANSWER

Punnett square

QUESTION 17

What are the possible genotype(s) for this cross?

R

R

r r

R = red eyes r = white eyes

QUESTION 17 ANSWER

Rr

QUESTION 18

What are the possible phenotype(s) for this cross?

R

R

r r

R = red eyes r = white eyes

QUESTION 18 ANSWER

Red eyes

QUESTION 1 9

What are the possible genotypes for the offspring?

RRYY

RRYy

RrYY

RrYy

RRYy

RRyy

RrYy

Rryy

RrYY

RrYy

rrYY

rrYy

RrYy

Rryy

rrYy

rryy

RY Ry rY ry

RY

Ry

rY

ry

QUESTION 19 ANSWER

RRYY RRYy RrYY RrYy Rryy rrYy rryy

QUESTION 20

If this punnett square shows incomplete dominance, what are the possible phenotypes?

R

r

R r

R = Red flower r = white flower

QUESTION 20 ANSWER

Red Pink

White

QUESTION 21

Explain co-dominance

QUESTION 21 ANSWER

When the heterozygous offspring show both

phenotypes

QUESTION 25

Explain the difference between genotype and phenotype

QUESTION 25 ANSWER

Phenotype = visible trait determined by the genotype

Genotype = the genetic make up of an organism

QUESTION 26

When two alleles in a gene pair are different, then one allele can control the expression of the trait and the other can be hidden is called?

QUESTION 26 ANSWER

Law of Dominance

QUESTION 27

An individual who has the allele for a trait or disease but does not have the disease or outwardly express the trait is called?

QUESTION 27 ANSWER

Carrier

QUESTION 28

Reproductive Cell

QUESTION 28 ANSWER

Gamete

QUESTION 29

Any characteristic that can be passed be inherited from

parent to offspring

QUESTION 29 ANSWER

Trait

QUESTION 30

What is a pedigree?

QUESTION 30 ANSWER

A diagram of the genetic history of an individual