Aut 1 Test Revision

Question 1

Variation

Answer 1

Variation is the difference between living things that are the same species

Question 2

What cell in the body doesn’t have DNA

Answer 2

The red blood cell is the only cell in the body that doesn’t contain DNA

Question 3

How many chromosomes do we have

Answer 3

We have 23 pairs of chromosomes

Question 4

How many genes do we have in our body?

Answer 4

We have about 23,000 cells in our body

Question 5

What is the largest cell in the body?

Answer 5

Ovum

Question 6

What is the smallest cell in the body?

Answer 6

Sperm cell

Question 7

What is an allele?

Answer 7

An allele is a different/alternate form of a gene

Question 8

Dominant alleles are always expressed if they are…

Answer 8

Present

Question 9

Recessive alleles are only expressed if…

Answer 9

There are two recessive alleles present

Question 10

If an individual has two alleles the same this is called…

Answer 10

Homozygous

Question 11

If an individual has 2 different alleles this is called…

Answer 11

Heterozygous

Question 12

Genotype

Answer 12

Different possible outcomes for alleles pairs

Question 13

Phenotype

Answer 13

Physical expression shown for an allele

Question 14

Offspring

Answer 14

The offspring is the results you get from your pundit square

Question 15

Pundit square is…

Answer 15

A pundit square used to show the offspring from finding the genetics someone will have