Answer:
The ratio of blue to white offspring in the progeny is 4 blue : 12 white.
Explanation:
<u>Available data:</u>
- The dominant allele K is necessary to synthesize blue flower pigment
- K is inhibited by the dominant allele D
- Plants with the genotype K- D- will not produce pigment (and their flowers will be white)
Cross: testcross for (Kk Dd) plants
Parental) KkDd x kkdd
Gametes) KD kD Kd kd
kd kd kd kd
Punnet square) KD Kd kD kd
kd KkDd Kkdd kkDd kkdd
kd KkDd Kkdd kkDd kkdd
kd KkDd Kkdd kkDd kkdd
kd KkDd Kkdd kkDd kkdd
- Whenever D is present, it inhibits the expression of the K gene, so every plant with the dominant D allele will be white. This plants´ genotype is kkD- or K-D-.
- Whenever D is absent and K is present, every plant with genotype K-dd will be blue.
- The recessive form for K and D genes will express white-flowered plants, with genotype ddkk
F1) Progeny genotype: 4/16 KkDd, white-flowered plants
4/16 Kkdd, blue-flowered plants
4/16 kkDd, white-flowered plants
4/16 kkdd, white-flowered plants
The ratio of blue to white offspring in the progeny is 4 blue : 12 white.
Blue-flowered plants: 4 Kkdd
White-flowered plants: 4 KkDd + 4 kkDd + 4 kkdd
Answer:
It's The amount of matter within the system remains the same and The cycle has a well-defined starting and stopping point.
Explanation:
Answer:
The given steps are of light phase of photsynthesis.
1)A photon of light excites photosystem II.
2)A water molecule is split, the electrons are transferred to photosystem II.
3)Oxygen is formed as an endproduct.
4)An electron is transferred from photosystem II to the primary electron acceptor.
5)ATP is synthesized as the electrons pass through an electron transport chain to photosystem I.
6)A photon of light strikes photosystem I, an excited electron is transferred to the primary electron acceptor.
7) An electron is transfered from an electron transport chain from photosystem II to photosystem I's primary electron acceptor.
8)Electrons are passed from photosystem I through an electron transport chain.
9)NADP+ is reduced to NADPH.
Explanation:
Please look in the attached file for diagrammatic explanation.
