inheritance Flashcards
where is the chromosome located at
nucleus
what is a gene
part of a DNA molecule coding for one protein
what is a haploid
a single set of chromosome
what is a diploid
two sets of chromosome
what determines your hair colour, eye colour or ur nose etc…
genes
which process involving cell division can repair the damage of the cell
mitosis
what is an inheritance
the transmission of genetic information generation to generation
what happens to the chromosome number in meiosis
it halves and combines with another half of the chromosome to form a new cell
we have ___ sets of chromosomes
2
what is homozygous
having two identical alleles of a particular gene ( pure breeding)
what is heterozygous
having two different alleles of a particular gene
what is a genotype
showing alleles by using symbols
what is a phenotype
the feature that the animal has
what does it mean by the allele is dominant
it is expressed when it is present
what does it mean by the allele is recessive
only expressed when there is no dominant allele
how to find out genotype
test crossbreed:with the homozygous recessive genotype for the same gene
what would be the women’s genotype
XX
what would be the men’s genotype
XY
what is sex-linked characteristic
a characteristic in which the gene responsible is located on a sex chromosome, which make it more common in one sex than in the other.
In DNA molecule base pairs are ____ with ______ .and ______ with _______( alphabet)
A with T
G with C
what helps to carry information in the DNA
mRNA
describe how the protein is made
mRNA molecule copy base sequence from the DNA
RNA moves out of the nucleus to the cytoplasm and attached to the ribosome
ribosome arrange amino acid is exactly right sequence to make the protein required
