Chromosomes coil and become visible, spindle forms and crossing over occurs
Chromosomes line up in the middle of the cell in single file
3rd
nucleic acid
Muscular tube that carries sperm from the epididymis to the ejaculatory duct
recessive
Responsible for sperm production
a body cell makes as exact duplicate of itself
Secretes fluid that nourishes and protects sperm
Watson and Crick
sugar (deoxyribose) and phosphate
Lining for the uterus
Some vertebrates
A cell destroys itself
Most mammals
Asexual and sexual reproduction
budding, grafting, binary fission, spore production, fragmentation, vegetative reproduction
homozygous
dominant gene
mitosis
Responsible for the hormone and ovum production
Hollow muscular organ responsible for the development of the embryo and fetus
internal cross-fertilization, external cross-fertilization, hermaphroditic cross-fertilization, hermaphroditic self-fertilization
self pollination or cross pollination
budding and parthenogenesis
Anaphase is the ____ step in mitosis
What do the Uterus do?
What do the testes do?
Give an example of sexual reproduction in plants
gene that is almost always expressed
Give an example of asexual reproduction in plants
What is an example of an animal that reproduces through parthenogenesis?
genotypes made of the same alleles
____________________ established the structure of DNA.
What is an example of an animal that reproduces through internal cross-fertilization?
What do the Endometrium do?
What do the Ovaries do?
What happens during Metaphase II in meiosis?
Mitosis occurs when…
DNA is called a _________________ because it was first found in the nucleus.
What do the Prostate gland do?
What are the 4 types of sexual reproduction in animals?
What are the two main types of reproduction in animals?
What are the sides of the DNA ladder composed of?
What are the 2 types of asexual reproduction in animals?
Apoptosis is when:
gene that is expressed only in the homozygous state
New body cells are produced by the process of….
What do the Vas deferens do?
What happens during Prophase I in meiosis?