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abruzzese [7]
3 years ago
11

If a corn plant has a genotype Sstt, what are the possible genetic combinations that could be present in a single grain of polle

n produced by the plant?

Biology
2 answers:
Irina-Kira [14]3 years ago
6 0
St St st st. hope this is helpfull
V125BC [204]3 years ago
6 0

Sstt. SStt and sstt

For this, you need to draw a Punnett square and cross two parents' Ss tt.

St and st on each parent's place and cross them (photo).

You'll have an offspring 25% SStt, 50% Sstt, and 25% sstt.

If you say that capital S is dominant characteristic over lowercase s, you'll have 75% chances of the offspring showing it and only 25% of the offspring showing the recessive one.

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Answer:

by the nitrocellulose membrane filter method. (more info below)

Explanation:

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3 0
3 years ago
The student who caught the cold caused by this specific Rhinovirus was exposed to the exact same Rhinovirus 18 months later. Wha
Ilya [14]

The student who caught the cold caused by this specific Rhinovirus was exposed to the exact same Rhinovirus 18 months later. Memory B cells of the immune system will protect her from getting the same cold again.

In immunology, a memory B cell (MBC) is a type of B lymphocyte that forms part of the adaptive immune system. These cells develop within germinal centres of the secondary lymphoid organs.

Memory B cells circulate in the blood stream in a quiescent state, sometimes for decades. Their function is to memorize the characteristics of the antigen that activated their parent B cell during initial infection such that if the memory B cell later encounters the same antigen, it triggers an accelerated and robust secondary immune response.

Memory B cells have B cell receptors (BCRs) on their cell membrane, identical to the one on their parent cell, that allow them to recognize antigen and mount a specific antibody response.

Learn more about memory B cell here : brainly.com/question/23423029

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8 0
2 years ago
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8 0
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