Variation & Selctive Breeding ♡

Pregunta	Respuesta
What do all cells contain ? ♡	A nucleus ♡
How many chromosomes are in human body cells ? ♡	46 chromosomes (in 23 pairs) ♡
How many chromosomes are in human sex cells ? ♡	23 chromosomes (no pairs) ♡
What are alleles ? ♡	Different forms of a gene ♡
Why do sex cells have half the usual number of chromosomes ? ♡	Half come from the egg, half from the sperm ♡
What is a dominant gene ? ♡	A gene which overpowers other genes ♡
Where is genetic information found in a cell ? ♡	In the nucleus ♡
What are the features of organisms called ? ♡	Characteristics ♡
What does DNA stand for ? ♡	Deoxyribonucleic Acid ♡
What is DNA ? ♡	A large molecule that contains genes ♡
What is a gamete ? ♡	Scientific word for sex cell ♡
What is genotype ? ♡	The combination of alleles carried ♡
What does heterozygous mean ? ♡	Having two alleles that are different ♡
What does homozygous mean ? ♡	Having two alleles that are the same ♡
What does phenotype mean ? ♡	The characteristics shown ♡
What gender is a x + x chromosome ? ♡	Female ♡
What gender is a x + y chromosome ? ♡	Male ♡

Resumen del Recurso

	Creado por lauren ♥ hace casi 8 años