Match the following breeding terms.
a. mating animals that are genetically related
b. mating animals less closely related than son with mother, brother with sister, and so forth
c. mating unrelated animal families within same breed
d. purebred bred to another purebred
e. mating purebred male with a non-purebred female
f. breeding one breed to another breed
g. mating son with mother, brother with sister, and so forth
15. pure-breeding
16. crossbreeding
17. grading up
18. inbreeding
19. closebreeding
20. linebreeding
21. outcrossing
Question 2Match the following descriptions to the correct reproductive terms.
a. regulates heat period
b. produce sperm cells
c. produces milk
d. stores and transports sperm
e. produce eggs
f. release of mature egg from ovary
g. birth
h. time between fertilization and birth
i. male sex hormone
j. carries sperm to urethra
k. prevents estrus during pregnancy, causes development of mammary system
4. testes
5. ovaries
6. testosterone
7. estrogen
8. vas deferens
9. mammary gland
10. epididymis
11. progesterone
12. ovulation
13. gestation
14. parturition
Elephant mating behaviour. 2
Green-glowing genetically modified mice embryos
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Traditional plant breeding