Genetics

An organism‘s ___________ is its genetic makeup, or allele combinations.

A _______RNA carries amino acids to the ribosome and adds them to a growing protein.

Mendel knew where the factors that control traits (genes) were located in the cell.

A __________ allele is one whose trait always shows up in the organism when it is present.

An organism’s _____________ is its physical appearance, or visible traits

Chromosomes are inherited in ________, one from the female parent and one from the male parent.

A ________ is a chart that shows all the possible combinations of alleles from a cross.

_____ is the process by which the number of chromosomes is reduced 1/2 in forming the sex cells

The scientific study of heredity is known as

Sutton also found that grasshoppers had _____ chromosomes in their sex cells.

A pea plant is homozygous for tall stems, its genotype will be

_______ is composed of a single strand and contains the base uracil instead of thymine.

Sutton made his big discovery about chromosomes in ________ when working with grasshoppers.

_________ is the joining of two sex cells to form a new organism.

Sutton found that grasshoppers had _____ chromosomes in their normal cells

_____________ are different forms of a gene.

An organism that has 2 identical alleles for a trait is said to be __________ for that trait.

We humans have _______ chromosomes.

__________ proposed the chromosome theory of inheritance.

When Mendel crossed purebred tall pea plants with purebred short plants all F1 plants were

_____________ is a number that describes how likely it is that an event will occur.

Your normal body cells contain between ___________ genes.

___________ are long strands of DNA that contain many genes.

During protein synthesis, the cell uses information from part of a chromosome to produce a protein.

In _________, the alleles are neither dominant or recessive. They both are expressed.

Walter Sutton came up with the chromosome theory of inheritance after studying chromosomes in

All mutations are harmful to organsms.

An organism that is homozygous for a recessive trait, will show the ____________ phenotype

An organism‘s sex cells will contain __ the number of chromosomes compared to its normal cells.

When Mendel crossed purebred tall plants with purebred short plants, all the offspring were

_______RNA copies the coded message from the DNA and carries the message to the ribosome.