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Biology 61 ATHS (SBQ REVISION)

Total questions: 24

Worksheet time: 13mins

Name
Class
Date
1.

Genetics

a)

Is the branch of biology which studies heredity

b)

Is a form of character

c)

Is an inherited characteristic

d)

A pair of chromosomes

2.

Is the passing of genetic traits from parents to offspring:

a)

Traits

b)

Heredity

c)

Character

d)

Genes

3.

Traits are

a)

Is a single form of characters

b)

Is an inherited characteristic

c)

A pair of genes that occupy a specific location on a particular chromosome & control the same trait

d)

Is a double form of character

4.

A character is

a)

An inherited characteristic such as having a flower

b)

Asingle form of character, eg. Having a purple flower

c)

A pair of genes that occupy a specific location on a particular chromosome and control the same traits.

5.

Genes

a)

The passing of genetic traits from parents to offspring

b)

Is a portion of DNA that determines a certain trait

c)

Is an alternative form of a single gene

6.

Allele

a)

Is an alternative form of a single gene

b)

A portion of DNA that determines a certain trait

c)

When a male gamete from one flower combines with the female gamete inside the ovary of another flower.

7.

The separation of allelic genes that typically occurs during meiosis is?

(a)  

8.

From where does an organism get its unique characteristics?

a)

From the traits

b)

From allele

c)

From genetics

d)

During meiosis

9.

True or False: True breeding is when the parent are both dominant and the offspring is dominant too; In other words, both parents are homozygous(Dominant).

a)

True

b)

False

10.

1)Phenotypes:

2)Genotypes:

a)

1) are physical traits

b)

2) are physical traits

c)

1) genes traits

d)

2) genes traits

11.

Examples of genotypes is TALL.

a)

True

b)

False

12.

Example of phenotype is TALL

a)

True

b)

False

13.

Examples of genotypes is TT

a)

True

b)

False

14.

Dominant:

a)

Is strong

b)

Is weak

c)

Big letters

d)

Small letters

15.

Ressesive

a)

Strong

b)

Weak

c)

Small letters

d)

Big letters

16.

Homozygous

a)

Same

b)

Different

17.

Heterozygous

a)

Same

b)

Different

18.

Pea plants are usually produced by?

a)

Self-fertilization

b)

Cross-pollination

19.

Self fertilization

a)

Occures when a male gamete within a flower combines with the female gamete in the same flower.

b)

Is the transfer of pollen grains from the anther of flower to the stigma of the female portion of another flower

20.

Cross-pollination

a)

Is the transfer of pollen grains from the anther of flower to the stigma of the female portion of another flower

b)

Is when the male gamete from one flower combines with the female gamete inside the ovary of another flower.

21.

Why did gregor mendel used cross-pollination to study inheritance?

a)

The point is to test how different traits are inherited, which requires different plants with different traits

b)

The point is to see how many flowers will be planted

22.

A is called?

a)

First generation (F1)

b)

Parent generation (pure breeding)

c)

Second generation (F2)

23.

C is?

a)

Second generation (F2)

b)

First generation (F1)

c)

Parent generation (PURE BREEDING)

24.

Which one is the first generation (F1)

a)

A

b)

B

c)

C