Genetics

Question 0

DNA

Answer 0

The chemical present at the centre of living cells that controls structure and purpose

Question 1

Chromosome

Answer 1

Any of the rod like structure found in all living cells that control what an animal it plant is like

Question 2

Gene

Answer 2

A hereditary unit consisting of a sequence of DNA

Question 3

Protein

Answer 3

A group of amino acids strung together

Question 4

Genetic code

Answer 4

A sequence if nucleotides in DNA that determines the specific amino acid sequence

Question 5

Somatic chromosome

Answer 5

Any chromosome that is not a sex chromosome

Question 6

Sex chromosome

Answer 6

Either a pair if chromosomes, usually designated X or Y

Question 7

Mitosis

Answer 7

The process in cell division by which the nucleus divides

Question 8

Clone

Answer 8

A form of genetic engineering that’s produced as a duplicate of the parent

Question 9

Zygote

Answer 9

The cell formed by the union of two gametes

Question 10

Meiosis

Answer 10

The process of cell division in sexually reproducing organisms that reduces the number of chromosomes in reproductive cells

Question 11

Diploid

Answer 11

Double or twofold of haploid cells

Question 12

Haploid

Answer 12

Having the same number of sets of chromosomes as a germ cells half as many as a somatic cell

Question 13

Variation

Answer 13

A difference or deviation

eg. In structure, form, function

Question 14

Allele

Answer 14

One member of a pair or series of genes that occupy a specific position

Question 15

Dominant allele

Answer 15

It’s always shows even if you only have one copy if the allele

Question 16

Recessive allele

Answer 16

It only shows if the individual has two copies of the recessive allele

Question 17

Genotype

Answer 17

The genetic make up as distinguished from the physical appearance

Question 18

Phenotype

Answer 18

The observable or biochemical characteristics of an organism as determined by both genetic makeup and environmental influences

Question 19

Homozygous

Answer 19

Having the same alleles at a particular gene locus on homologous chromosomes

Question 20

Homologous chromosomes,

Answer 20

Two chromosomes one of paternal origin and the other of maternal origin

Question 21

Heterozygous

Answer 21

Having different alleles at one or more corresponding chromosomes

Question 22

Co dominance

Answer 22

A condition in which both alleles of a gene pair in a heterozygote are fully expressed

Question 23

Punnett square

Answer 23

A diagram used to predict an outcome of a particular cross

Question 24

Genetic disease

Answer 24

An illness causes by one or more abnormalities in the genome

Question 25

Mutation

Answer 25

A change of the nucleotide sequence of the genome of an organism

Question 26

Mutagen

Answer 26

A physical agent that changes the genetic material usually DNA I an organism

Question 45

Gamete

Answer 45

A reproductive cell having a haploid number of chromosomes