The Secret of the Green Thumb |
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Page 243
... gene may not show up at all . The former is able to dominate the latter , and is called a domi- nant gene , and the characteristic which it influences is ... recessive genes . If a sperm and an egg cell each SCIENCE EXPLAINS HEREDITY 243.
... gene may not show up at all . The former is able to dominate the latter , and is called a domi- nant gene , and the characteristic which it influences is ... recessive genes . If a sperm and an egg cell each SCIENCE EXPLAINS HEREDITY 243.
Page 244
Henry Northen, Rebecca Tyson Northen. genes . If a sperm and an egg cell each carrying the recessive gene happen to unite , the resulting child will have blue eyes . How Genetics Is Used Controlled breeding , carried on through many ...
Henry Northen, Rebecca Tyson Northen. genes . If a sperm and an egg cell each carrying the recessive gene happen to unite , the resulting child will have blue eyes . How Genetics Is Used Controlled breeding , carried on through many ...
Page 249
... gene T from the tall parent , and a gene t from the dwarf parent , a gene R for red fruit color from one parent , and a gene r for recessive yellow from the other . Their genetic make - up is therefore TtRr . When the F1 plants are ...
... gene T from the tall parent , and a gene t from the dwarf parent , a gene R for red fruit color from one parent , and a gene r for recessive yellow from the other . Their genetic make - up is therefore TtRr . When the F1 plants are ...
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acid African violet amount animals anthers areas asters bacteria become branches bulbs called chemical chromosomes chrysanthemums colchicine color corms crop crossed develop diploid disease drought dwarf embryo evergreens fern fertilizer FIGURE flat flower buds foliage forest frost fungi fungus garden gene germinate gladiolus grafting grass green grown growth homozygous hormone humid hybrid inches insects kill layer leaf leaves light lilac lily maleic hydrazide minerals moist moss night temperature nitrogen nutrients orchids organisms ovary oxygen parent period petals pine pistil plant hormone plants pollen pots produced propagated recessive gene regions removed Rhododendron roots rose sand seed seedlings sepals sex cells shade short-day shrubs snapdragons soil species sperm spores sprayed spring stamens stem stigma stomata sulfate surface survive sweet peas tall tetraploid thrips tion tissue tomato transplanted trees and shrubs TtRr tubers Tulips varieties vegetation week April winter yellow