Mendels Laws Of Heredity

Question 1

Heredity–

Answer 1

The passing on of characteristics from parent to offspring

Question 2

What are characteristics called?

Answer 2

Traits

Question 3

Mendel’s Peas reproduced ____________.

Answer 3

Sexually

Question 4

Gamete–

Answer 4

A male or female cell that can reproduce sexually to produce a zygote

Question 5

Mendel’s peas were also ______________ sex cells.

Answer 5

self containing

Question 6

What did the sex cells avoid?

Answer 6

Cross fertilization

Question 7

What did Mendel do to make sure of parents?

Answer 7

Cross pollinated by hand

Question 8

One by one, Mendel studies ____________.

Answer 8

One trait at a time

Question 9

What did Mendel use for breeding?

Answer 9

True breeding tall AND true breeding short

Question 10

True breeding only produces what trait?

Answer 10

Tall

Question 11

Mendel crossed __________ and ___________ to produce a hybrid.

Answer 11

tall and short

Question 12

Hybrid–

Answer 12

Offspring of parents with a different form of a trait

Question 13

Mono–

Answer 13

A single trait

Question 14

For the First Generation he crossed tall and short, they all came out ____________.

Answer 14

Tall

Question 15

For the Second Generation he allowed the First Generation plants to _________________.

Answer 15

Self pollinate

Question 16

What percentage of the Second Generation were tall?

Answer 16

75%

Question 17

What are the three generations that Mendel experimented with?

Answer 17

P1, F1, F2

Question 18

What are the three laws that Mendel came up with?

Answer 18

Rule of unit factors
Rule of dominance
Law of segregation

Question 19

Genotype–

Answer 19

The genetic code/makeup for a sex cell

Question 20

Genotypes are represented by ___________.

Answer 20

Two letters

Question 21

These letters are called___________.

Answer 21

Alleles

Question 22

Phenotype–

Answer 22

Physical appearance of the genotype

Question 23

Phenotype are represented by____________.

Answer 23

Words

Question 24

What is the Rule of Unit Factors?

Answer 24

Each organism has two factors that controls its traits

Question 25

Genes are located on the ________________.

Answer 25

Chromosomes

Question 26

Alleles are different forms of a ________.

Answer 26

Gene

Question 27

The observed trait–

Answer 27

Dominant trait

Question 28

The unobservant trait–

Answer 28

Recessive trait

Question 29

What do we use to demonstrate dominant and recessive?

Answer 29

Lower and uppercase letters

Question 30

Uppercase letter–

Answer 30

Dominant

Question 31

Lowercase letter–

Answer 31

Recessive

Question 32

Homozygous–

Answer 32

Organelles that have the same alleles

Example: TT of tt

Question 33

Heterozygous–

Answer 33

Organelles that have one of each allele

Example: Tt

Question 34

The dominant trait always appears in _______________.

Answer 34

Heterozygous

Question 35

The Law of Segregation–

Answer 35

During meiosis each gamete receives one allele

this is random

Question 36

Who was Mendel?

Answer 36

An Austrian monk who studied heredity